Home / 5,290,109.44-7,919,909.80-4,743,118.87

Finding the Fourth Proportional to 5,290,109.44, 7,919,909.80 and 4,743,118.87

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Solution

The fourth proportional to 5,290,109.44, 7,919,909.80 and 4,743,118.87 is: 7,101,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,109.44 : 7,919,909.80 = 4,743,118.87 : x
  2. Step 2: Convert to fraction form
    5,290,109.44/7,919,909.80 = 4,743,118.87/x
  3. Step 3: Cross multiply
    5,290,109.44x = 7,919,909.80 × 4,743,118.87
  4. Step 4: Simplify right side
    5,290,109.44x = 37,565,073,589,420.35
  5. Step 5: Solve for x
    x = 37,565,073,589,420.35/5,290,109.44
  6. Step 6: Final answer
    x = 7,101,001.22

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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.