Home / 5,276,837.60-7,912,891.20-2,080,318.40

Finding the Fourth Proportional to 5,276,837.60, 7,912,891.20 and 2,080,318.40

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Solution

The fourth proportional to 5,276,837.60, 7,912,891.20 and 2,080,318.40 is: 3,119,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,837.60 : 7,912,891.20 = 2,080,318.40 : x
  2. Step 2: Convert to fraction form
    5,276,837.60/7,912,891.20 = 2,080,318.40/x
  3. Step 3: Cross multiply
    5,276,837.60x = 7,912,891.20 × 2,080,318.40
  4. Step 4: Simplify right side
    5,276,837.60x = 16,461,333,160,558.08
  5. Step 5: Solve for x
    x = 16,461,333,160,558.08/5,276,837.60
  6. Step 6: Final answer
    x = 3,119,545.15

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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.