Home / 2,378,089.76-3,567,125.04-861,417.72

Finding the Fourth Proportional to 2,378,089.76, 3,567,125.04 and 861,417.72

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Solution

The fourth proportional to 2,378,089.76, 3,567,125.04 and 861,417.72 is: 1,292,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,089.76 : 3,567,125.04 = 861,417.72 : x
  2. Step 2: Convert to fraction form
    2,378,089.76/3,567,125.04 = 861,417.72/x
  3. Step 3: Cross multiply
    2,378,089.76x = 3,567,125.04 × 861,417.72
  4. Step 4: Simplify right side
    2,378,089.76x = 3,072,784,718,911.71
  5. Step 5: Solve for x
    x = 3,072,784,718,911.71/2,378,089.76
  6. Step 6: Final answer
    x = 1,292,123.10

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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.