Home / 2,428,646.40-3,642,969.60-745,747.20

Finding the Fourth Proportional to 2,428,646.40, 3,642,969.60 and 745,747.20

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Solution

The fourth proportional to 2,428,646.40, 3,642,969.60 and 745,747.20 is: 1,118,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,646.40 : 3,642,969.60 = 745,747.20 : x
  2. Step 2: Convert to fraction form
    2,428,646.40/3,642,969.60 = 745,747.20/x
  3. Step 3: Cross multiply
    2,428,646.40x = 3,642,969.60 × 745,747.20
  4. Step 4: Simplify right side
    2,428,646.40x = 2,716,734,378,885.12
  5. Step 5: Solve for x
    x = 2,716,734,378,885.12/2,428,646.40
  6. Step 6: Final answer
    x = 1,118,620.80

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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.