Home / 3,089,383.20-4,634,074.80-2,879,431.20

Finding the Fourth Proportional to 3,089,383.20, 4,634,074.80 and 2,879,431.20

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Solution

The fourth proportional to 3,089,383.20, 4,634,074.80 and 2,879,431.20 is: 4,319,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,383.20 : 4,634,074.80 = 2,879,431.20 : x
  2. Step 2: Convert to fraction form
    3,089,383.20/4,634,074.80 = 2,879,431.20/x
  3. Step 3: Cross multiply
    3,089,383.20x = 4,634,074.80 × 2,879,431.20
  4. Step 4: Simplify right side
    3,089,383.20x = 13,343,499,562,253.76
  5. Step 5: Solve for x
    x = 13,343,499,562,253.76/3,089,383.20
  6. Step 6: Final answer
    x = 4,319,146.80

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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.