Home / 2,748,838.30-4,123,257.45-1,489,126.30

Finding the Fourth Proportional to 2,748,838.30, 4,123,257.45 and 1,489,126.30

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Solution

The fourth proportional to 2,748,838.30, 4,123,257.45 and 1,489,126.30 is: 2,233,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,838.30 : 4,123,257.45 = 1,489,126.30 : x
  2. Step 2: Convert to fraction form
    2,748,838.30/4,123,257.45 = 1,489,126.30/x
  3. Step 3: Cross multiply
    2,748,838.30x = 4,123,257.45 × 1,489,126.30
  4. Step 4: Simplify right side
    2,748,838.30x = 6,140,051,110,465.94
  5. Step 5: Solve for x
    x = 6,140,051,110,465.94/2,748,838.30
  6. Step 6: Final answer
    x = 2,233,689.45

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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.