Home / 5,148,271.70-7,722,407.55-4,191,677.90

Finding the Fourth Proportional to 5,148,271.70, 7,722,407.55 and 4,191,677.90

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Solution

The fourth proportional to 5,148,271.70, 7,722,407.55 and 4,191,677.90 is: 6,287,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,271.70 : 7,722,407.55 = 4,191,677.90 : x
  2. Step 2: Convert to fraction form
    5,148,271.70/7,722,407.55 = 4,191,677.90/x
  3. Step 3: Cross multiply
    5,148,271.70x = 7,722,407.55 × 4,191,677.90
  4. Step 4: Simplify right side
    5,148,271.70x = 32,369,845,062,128.14
  5. Step 5: Solve for x
    x = 32,369,845,062,128.14/5,148,271.70
  6. Step 6: Final answer
    x = 6,287,516.85

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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.