Home / 2,406,221.40-3,609,332.10-987,295.80

Finding the Fourth Proportional to 2,406,221.40, 3,609,332.10 and 987,295.80

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Solution

The fourth proportional to 2,406,221.40, 3,609,332.10 and 987,295.80 is: 1,480,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,221.40 : 3,609,332.10 = 987,295.80 : x
  2. Step 2: Convert to fraction form
    2,406,221.40/3,609,332.10 = 987,295.80/x
  3. Step 3: Cross multiply
    2,406,221.40x = 3,609,332.10 × 987,295.80
  4. Step 4: Simplify right side
    2,406,221.40x = 3,563,478,423,135.18
  5. Step 5: Solve for x
    x = 3,563,478,423,135.18/2,406,221.40
  6. Step 6: Final answer
    x = 1,480,943.70

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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.