Home / 5,140,148.06-7,707,655.01-1,681,436.28

Finding the Fourth Proportional to 5,140,148.06, 7,707,655.01 and 1,681,436.28

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Solution

The fourth proportional to 5,140,148.06, 7,707,655.01 and 1,681,436.28 is: 2,521,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,148.06 : 7,707,655.01 = 1,681,436.28 : x
  2. Step 2: Convert to fraction form
    5,140,148.06/7,707,655.01 = 1,681,436.28/x
  3. Step 3: Cross multiply
    5,140,148.06x = 7,707,655.01 × 1,681,436.28
  4. Step 4: Simplify right side
    5,140,148.06x = 12,959,930,759,130.58
  5. Step 5: Solve for x
    x = 12,959,930,759,130.58/5,140,148.06
  6. Step 6: Final answer
    x = 2,521,314.68

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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.