Home / 3,195,912.60-4,793,868.90-921,432.60

Finding the Fourth Proportional to 3,195,912.60, 4,793,868.90 and 921,432.60

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Solution

The fourth proportional to 3,195,912.60, 4,793,868.90 and 921,432.60 is: 1,382,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195,912.60 : 4,793,868.90 = 921,432.60 : x
  2. Step 2: Convert to fraction form
    3,195,912.60/4,793,868.90 = 921,432.60/x
  3. Step 3: Cross multiply
    3,195,912.60x = 4,793,868.90 × 921,432.60
  4. Step 4: Simplify right side
    3,195,912.60x = 4,417,227,084,586.14
  5. Step 5: Solve for x
    x = 4,417,227,084,586.14/3,195,912.60
  6. Step 6: Final answer
    x = 1,382,148.90

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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.