Home / 5,127,097.20-7,691,084.88-1,340,574

Finding the Fourth Proportional to 5,127,097.20, 7,691,084.88 and 1,340,574

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Solution

The fourth proportional to 5,127,097.20, 7,691,084.88 and 1,340,574 is: 2,010,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,097.20 : 7,691,084.88 = 1,340,574 : x
  2. Step 2: Convert to fraction form
    5,127,097.20/7,691,084.88 = 1,340,574/x
  3. Step 3: Cross multiply
    5,127,097.20x = 7,691,084.88 × 1,340,574
  4. Step 4: Simplify right side
    5,127,097.20x = 10,310,468,421,921.12
  5. Step 5: Solve for x
    x = 10,310,468,421,921.12/5,127,097.20
  6. Step 6: Final answer
    x = 2,010,975.81

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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.