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Finding the Fourth Proportional to 1,745,559.22, 2,612,738.22 and 933,913.21

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Solution

The fourth proportional to 1,745,559.22, 2,612,738.22 and 933,913.21 is: 1,397,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,559.22 : 2,612,738.22 = 933,913.21 : x
  2. Step 2: Convert to fraction form
    1,745,559.22/2,612,738.22 = 933,913.21/x
  3. Step 3: Cross multiply
    1,745,559.22x = 2,612,738.22 × 933,913.21
  4. Step 4: Simplify right side
    1,745,559.22x = 2,440,070,737,929.89
  5. Step 5: Solve for x
    x = 2,440,070,737,929.89/1,745,559.22
  6. Step 6: Final answer
    x = 1,397,873.36

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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.