Home / 4,121,374.80-6,177,699-1,386,318.48

Finding the Fourth Proportional to 4,121,374.80, 6,177,699 and 1,386,318.48

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Solution

The fourth proportional to 4,121,374.80, 6,177,699 and 1,386,318.48 is: 2,078,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,374.80 : 6,177,699 = 1,386,318.48 : x
  2. Step 2: Convert to fraction form
    4,121,374.80/6,177,699 = 1,386,318.48/x
  3. Step 3: Cross multiply
    4,121,374.80x = 6,177,699 × 1,386,318.48
  4. Step 4: Simplify right side
    4,121,374.80x = 8,564,258,287,577.52
  5. Step 5: Solve for x
    x = 8,564,258,287,577.52/4,121,374.80
  6. Step 6: Final answer
    x = 2,078,010.06

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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.