Home / 3,717,342-5,574,650.52-1,287,867.72

Finding the Fourth Proportional to 3,717,342, 5,574,650.52 and 1,287,867.72

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Solution

The fourth proportional to 3,717,342, 5,574,650.52 and 1,287,867.72 is: 1,931,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717,342 : 5,574,650.52 = 1,287,867.72 : x
  2. Step 2: Convert to fraction form
    3,717,342/5,574,650.52 = 1,287,867.72/x
  3. Step 3: Cross multiply
    3,717,342x = 5,574,650.52 × 1,287,867.72
  4. Step 4: Simplify right side
    3,717,342x = 7,179,412,454,989.21
  5. Step 5: Solve for x
    x = 7,179,412,454,989.21/3,717,342
  6. Step 6: Final answer
    x = 1,931,329.55

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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.