Home / 2,138,688.16-3,213,049.18-2,017,635.28

Finding the Fourth Proportional to 2,138,688.16, 3,213,049.18 and 2,017,635.28

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Solution

The fourth proportional to 2,138,688.16, 3,213,049.18 and 2,017,635.28 is: 3,031,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,688.16 : 3,213,049.18 = 2,017,635.28 : x
  2. Step 2: Convert to fraction form
    2,138,688.16/3,213,049.18 = 2,017,635.28/x
  3. Step 3: Cross multiply
    2,138,688.16x = 3,213,049.18 × 2,017,635.28
  4. Step 4: Simplify right side
    2,138,688.16x = 6,482,761,381,943.07
  5. Step 5: Solve for x
    x = 6,482,761,381,943.07/2,138,688.16
  6. Step 6: Final answer
    x = 3,031,185.89

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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.