Home / 3,939,565.52-5,436,683.60-2,220,685.58

Finding the Fourth Proportional to 3,939,565.52, 5,436,683.60 and 2,220,685.58

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Solution

The fourth proportional to 3,939,565.52, 5,436,683.60 and 2,220,685.58 is: 3,064,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,565.52 : 5,436,683.60 = 2,220,685.58 : x
  2. Step 2: Convert to fraction form
    3,939,565.52/5,436,683.60 = 2,220,685.58/x
  3. Step 3: Cross multiply
    3,939,565.52x = 5,436,683.60 × 2,220,685.58
  4. Step 4: Simplify right side
    3,939,565.52x = 12,073,164,851,910.79
  5. Step 5: Solve for x
    x = 12,073,164,851,910.79/3,939,565.52
  6. Step 6: Final answer
    x = 3,064,592.99

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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.