Home / 6,427,691.60-8,874,369.60-3,982,897.04

Finding the Fourth Proportional to 6,427,691.60, 8,874,369.60 and 3,982,897.04

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Solution

The fourth proportional to 6,427,691.60, 8,874,369.60 and 3,982,897.04 is: 5,498,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,691.60 : 8,874,369.60 = 3,982,897.04 : x
  2. Step 2: Convert to fraction form
    6,427,691.60/8,874,369.60 = 3,982,897.04/x
  3. Step 3: Cross multiply
    6,427,691.60x = 8,874,369.60 × 3,982,897.04
  4. Step 4: Simplify right side
    6,427,691.60x = 35,345,700,411,705.98
  5. Step 5: Solve for x
    x = 35,345,700,411,705.98/6,427,691.60
  6. Step 6: Final answer
    x = 5,498,972.67

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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.