Home / 5,387,118.06-7,434,379.92-2,939,886.72

Finding the Fourth Proportional to 5,387,118.06, 7,434,379.92 and 2,939,886.72

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Solution

The fourth proportional to 5,387,118.06, 7,434,379.92 and 2,939,886.72 is: 4,057,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,118.06 : 7,434,379.92 = 2,939,886.72 : x
  2. Step 2: Convert to fraction form
    5,387,118.06/7,434,379.92 = 2,939,886.72/x
  3. Step 3: Cross multiply
    5,387,118.06x = 7,434,379.92 × 2,939,886.72
  4. Step 4: Simplify right side
    5,387,118.06x = 21,856,234,798,242.66
  5. Step 5: Solve for x
    x = 21,856,234,798,242.66/5,387,118.06
  6. Step 6: Final answer
    x = 4,057,129.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.