Home / 5,138,340.88-7,709,232.04-1,680,240.04

Finding the Fourth Proportional to 5,138,340.88, 7,709,232.04 and 1,680,240.04

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Solution

The fourth proportional to 5,138,340.88, 7,709,232.04 and 1,680,240.04 is: 2,520,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,340.88 : 7,709,232.04 = 1,680,240.04 : x
  2. Step 2: Convert to fraction form
    5,138,340.88/7,709,232.04 = 1,680,240.04/x
  3. Step 3: Cross multiply
    5,138,340.88x = 7,709,232.04 × 1,680,240.04
  4. Step 4: Simplify right side
    5,138,340.88x = 12,953,360,351,258.88
  5. Step 5: Solve for x
    x = 12,953,360,351,258.88/5,138,340.88
  6. Step 6: Final answer
    x = 2,520,922.74

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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.