Home / 6,436,579.92-9,654,869.88-1,644,279.72

Finding the Fourth Proportional to 6,436,579.92, 9,654,869.88 and 1,644,279.72

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Solution

The fourth proportional to 6,436,579.92, 9,654,869.88 and 1,644,279.72 is: 2,466,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,579.92 : 9,654,869.88 = 1,644,279.72 : x
  2. Step 2: Convert to fraction form
    6,436,579.92/9,654,869.88 = 1,644,279.72/x
  3. Step 3: Cross multiply
    6,436,579.92x = 9,654,869.88 × 1,644,279.72
  4. Step 4: Simplify right side
    6,436,579.92x = 15,875,306,742,922.83
  5. Step 5: Solve for x
    x = 15,875,306,742,922.83/6,436,579.92
  6. Step 6: Final answer
    x = 2,466,419.58

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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.