Home / 2,172,428.60-3,258,626.70-656,108.60

Finding the Fourth Proportional to 2,172,428.60, 3,258,626.70 and 656,108.60

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Solution

The fourth proportional to 2,172,428.60, 3,258,626.70 and 656,108.60 is: 984,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,428.60 : 3,258,626.70 = 656,108.60 : x
  2. Step 2: Convert to fraction form
    2,172,428.60/3,258,626.70 = 656,108.60/x
  3. Step 3: Cross multiply
    2,172,428.60x = 3,258,626.70 × 656,108.60
  4. Step 4: Simplify right side
    2,172,428.60x = 2,138,013,002,059.62
  5. Step 5: Solve for x
    x = 2,138,013,002,059.62/2,172,428.60
  6. Step 6: Final answer
    x = 984,158.01

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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.