Home / 3,934,852.91-5,430,108.02-2,281,321.35

Finding the Fourth Proportional to 3,934,852.91, 5,430,108.02 and 2,281,321.35

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Solution

The fourth proportional to 3,934,852.91, 5,430,108.02 and 2,281,321.35 is: 3,148,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,852.91 : 5,430,108.02 = 2,281,321.35 : x
  2. Step 2: Convert to fraction form
    3,934,852.91/5,430,108.02 = 2,281,321.35/x
  3. Step 3: Cross multiply
    3,934,852.91x = 5,430,108.02 × 2,281,321.35
  4. Step 4: Simplify right side
    3,934,852.91x = 12,387,821,377,021.74
  5. Step 5: Solve for x
    x = 12,387,821,377,021.74/3,934,852.91
  6. Step 6: Final answer
    x = 3,148,229.85

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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.