Home / 2,726,486.40-4,089,729.60-807,466.80

Finding the Fourth Proportional to 2,726,486.40, 4,089,729.60 and 807,466.80

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Solution

The fourth proportional to 2,726,486.40, 4,089,729.60 and 807,466.80 is: 1,211,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,486.40 : 4,089,729.60 = 807,466.80 : x
  2. Step 2: Convert to fraction form
    2,726,486.40/4,089,729.60 = 807,466.80/x
  3. Step 3: Cross multiply
    2,726,486.40x = 4,089,729.60 × 807,466.80
  4. Step 4: Simplify right side
    2,726,486.40x = 3,302,320,872,977.28
  5. Step 5: Solve for x
    x = 3,302,320,872,977.28/2,726,486.40
  6. Step 6: Final answer
    x = 1,211,200.20

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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.