Home / 2,221,116.72-3,331,878.40-623,669.04

Finding the Fourth Proportional to 2,221,116.72, 3,331,878.40 and 623,669.04

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Solution

The fourth proportional to 2,221,116.72, 3,331,878.40 and 623,669.04 is: 935,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,116.72 : 3,331,878.40 = 623,669.04 : x
  2. Step 2: Convert to fraction form
    2,221,116.72/3,331,878.40 = 623,669.04/x
  3. Step 3: Cross multiply
    2,221,116.72x = 3,331,878.40 × 623,669.04
  4. Step 4: Simplify right side
    2,221,116.72x = 2,077,989,403,124.74
  5. Step 5: Solve for x
    x = 2,077,989,403,124.74/2,221,116.72
  6. Step 6: Final answer
    x = 935,560.65

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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.