Home / 5,160,687.03-7,120,950.93-2,985,432.57

Finding the Fourth Proportional to 5,160,687.03, 7,120,950.93 and 2,985,432.57

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Solution

The fourth proportional to 5,160,687.03, 7,120,950.93 and 2,985,432.57 is: 4,119,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,687.03 : 7,120,950.93 = 2,985,432.57 : x
  2. Step 2: Convert to fraction form
    5,160,687.03/7,120,950.93 = 2,985,432.57/x
  3. Step 3: Cross multiply
    5,160,687.03x = 7,120,950.93 × 2,985,432.57
  4. Step 4: Simplify right side
    5,160,687.03x = 21,259,118,835,793.79
  5. Step 5: Solve for x
    x = 21,259,118,835,793.79/5,160,687.03
  6. Step 6: Final answer
    x = 4,119,435.79

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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.