Home / 2,989,655.40-4,485,139.20-967,555.20

Finding the Fourth Proportional to 2,989,655.40, 4,485,139.20 and 967,555.20

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Solution

The fourth proportional to 2,989,655.40, 4,485,139.20 and 967,555.20 is: 1,451,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,655.40 : 4,485,139.20 = 967,555.20 : x
  2. Step 2: Convert to fraction form
    2,989,655.40/4,485,139.20 = 967,555.20/x
  3. Step 3: Cross multiply
    2,989,655.40x = 4,485,139.20 × 967,555.20
  4. Step 4: Simplify right side
    2,989,655.40x = 4,339,619,755,683.84
  5. Step 5: Solve for x
    x = 4,339,619,755,683.84/2,989,655.40
  6. Step 6: Final answer
    x = 1,451,545.14

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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.