Home / 5,168,730.78-7,753,095.66-1,382,115.24

Finding the Fourth Proportional to 5,168,730.78, 7,753,095.66 and 1,382,115.24

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Solution

The fourth proportional to 5,168,730.78, 7,753,095.66 and 1,382,115.24 is: 2,073,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,730.78 : 7,753,095.66 = 1,382,115.24 : x
  2. Step 2: Convert to fraction form
    5,168,730.78/7,753,095.66 = 1,382,115.24/x
  3. Step 3: Cross multiply
    5,168,730.78x = 7,753,095.66 × 1,382,115.24
  4. Step 4: Simplify right side
    5,168,730.78x = 10,715,671,668,863.86
  5. Step 5: Solve for x
    x = 10,715,671,668,863.86/5,168,730.78
  6. Step 6: Final answer
    x = 2,073,172.72

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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.