Home / 2,489,983.20-3,436,131.60-1,402,250.40

Finding the Fourth Proportional to 2,489,983.20, 3,436,131.60 and 1,402,250.40

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Solution

The fourth proportional to 2,489,983.20, 3,436,131.60 and 1,402,250.40 is: 1,935,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,983.20 : 3,436,131.60 = 1,402,250.40 : x
  2. Step 2: Convert to fraction form
    2,489,983.20/3,436,131.60 = 1,402,250.40/x
  3. Step 3: Cross multiply
    2,489,983.20x = 3,436,131.60 × 1,402,250.40
  4. Step 4: Simplify right side
    2,489,983.20x = 4,818,316,910,552.64
  5. Step 5: Solve for x
    x = 4,818,316,910,552.64/2,489,983.20
  6. Step 6: Final answer
    x = 1,935,080.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.