Home / 5,168,155.92-7,751,642.38-1,381,934.04

Finding the Fourth Proportional to 5,168,155.92, 7,751,642.38 and 1,381,934.04

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Solution

The fourth proportional to 5,168,155.92, 7,751,642.38 and 1,381,934.04 is: 2,072,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,155.92 : 7,751,642.38 = 1,381,934.04 : x
  2. Step 2: Convert to fraction form
    5,168,155.92/7,751,642.38 = 1,381,934.04/x
  3. Step 3: Cross multiply
    5,168,155.92x = 7,751,642.38 × 1,381,934.04
  4. Step 4: Simplify right side
    5,168,155.92x = 10,712,258,470,828.62
  5. Step 5: Solve for x
    x = 10,712,258,470,828.62/5,168,155.92
  6. Step 6: Final answer
    x = 2,072,742.90

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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.