Home / 5,251,698.64-7,878,876.48-1,465,179.76

Finding the Fourth Proportional to 5,251,698.64, 7,878,876.48 and 1,465,179.76

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Solution

The fourth proportional to 5,251,698.64, 7,878,876.48 and 1,465,179.76 is: 2,198,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,698.64 : 7,878,876.48 = 1,465,179.76 : x
  2. Step 2: Convert to fraction form
    5,251,698.64/7,878,876.48 = 1,465,179.76/x
  3. Step 3: Cross multiply
    5,251,698.64x = 7,878,876.48 × 1,465,179.76
  4. Step 4: Simplify right side
    5,251,698.64x = 11,543,970,350,036.04
  5. Step 5: Solve for x
    x = 11,543,970,350,036.04/5,251,698.64
  6. Step 6: Final answer
    x = 2,198,140.29

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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.