Home / 5,392,989.80-8,089,484.70-3,887,240.30

Finding the Fourth Proportional to 5,392,989.80, 8,089,484.70 and 3,887,240.30

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Solution

The fourth proportional to 5,392,989.80, 8,089,484.70 and 3,887,240.30 is: 5,830,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392,989.80 : 8,089,484.70 = 3,887,240.30 : x
  2. Step 2: Convert to fraction form
    5,392,989.80/8,089,484.70 = 3,887,240.30/x
  3. Step 3: Cross multiply
    5,392,989.80x = 8,089,484.70 × 3,887,240.30
  4. Step 4: Simplify right side
    5,392,989.80x = 31,445,770,932,073.41
  5. Step 5: Solve for x
    x = 31,445,770,932,073.41/5,392,989.80
  6. Step 6: Final answer
    x = 5,830,860.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.