Home / 2,107,763.68-3,162,148.50-687,822.40

Finding the Fourth Proportional to 2,107,763.68, 3,162,148.50 and 687,822.40

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Solution

The fourth proportional to 2,107,763.68, 3,162,148.50 and 687,822.40 is: 1,031,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,763.68 : 3,162,148.50 = 687,822.40 : x
  2. Step 2: Convert to fraction form
    2,107,763.68/3,162,148.50 = 687,822.40/x
  3. Step 3: Cross multiply
    2,107,763.68x = 3,162,148.50 × 687,822.40
  4. Step 4: Simplify right side
    2,107,763.68x = 2,174,996,570,426.40
  5. Step 5: Solve for x
    x = 2,174,996,570,426.40/2,107,763.68
  6. Step 6: Final answer
    x = 1,031,897.74

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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.