Home / 2,113,815.64-3,170,712.30-516,387.64

Finding the Fourth Proportional to 2,113,815.64, 3,170,712.30 and 516,387.64

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Solution

The fourth proportional to 2,113,815.64, 3,170,712.30 and 516,387.64 is: 774,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,815.64 : 3,170,712.30 = 516,387.64 : x
  2. Step 2: Convert to fraction form
    2,113,815.64/3,170,712.30 = 516,387.64/x
  3. Step 3: Cross multiply
    2,113,815.64x = 3,170,712.30 × 516,387.64
  4. Step 4: Simplify right side
    2,113,815.64x = 1,637,316,641,715.97
  5. Step 5: Solve for x
    x = 1,637,316,641,715.97/2,113,815.64
  6. Step 6: Final answer
    x = 774,578.73

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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.