Home / 5,140,149.06-7,707,656.50-1,681,437.28

Finding the Fourth Proportional to 5,140,149.06, 7,707,656.50 and 1,681,437.28

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Solution

The fourth proportional to 5,140,149.06, 7,707,656.50 and 1,681,437.28 is: 2,521,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,149.06 : 7,707,656.50 = 1,681,437.28 : x
  2. Step 2: Convert to fraction form
    5,140,149.06/7,707,656.50 = 1,681,437.28/x
  3. Step 3: Cross multiply
    5,140,149.06x = 7,707,656.50 × 1,681,437.28
  4. Step 4: Simplify right side
    5,140,149.06x = 12,959,940,980,534.32
  5. Step 5: Solve for x
    x = 12,959,940,980,534.32/5,140,149.06
  6. Step 6: Final answer
    x = 2,521,316.18

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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.