Home / 5,181,761.25-7,756,698.63-3,380,766.75

Finding the Fourth Proportional to 5,181,761.25, 7,756,698.63 and 3,380,766.75

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Solution

The fourth proportional to 5,181,761.25, 7,756,698.63 and 3,380,766.75 is: 5,060,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,761.25 : 7,756,698.63 = 3,380,766.75 : x
  2. Step 2: Convert to fraction form
    5,181,761.25/7,756,698.63 = 3,380,766.75/x
  3. Step 3: Cross multiply
    5,181,761.25x = 7,756,698.63 × 3,380,766.75
  4. Step 4: Simplify right side
    5,181,761.25x = 26,223,588,779,291.06
  5. Step 5: Solve for x
    x = 26,223,588,779,291.06/5,181,761.25
  6. Step 6: Final answer
    x = 5,060,748.18

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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.