Home / 3,123,993.12-4,680,635.04-2,097,400.20

Finding the Fourth Proportional to 3,123,993.12, 4,680,635.04 and 2,097,400.20

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Solution

The fourth proportional to 3,123,993.12, 4,680,635.04 and 2,097,400.20 is: 3,142,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,993.12 : 4,680,635.04 = 2,097,400.20 : x
  2. Step 2: Convert to fraction form
    3,123,993.12/4,680,635.04 = 2,097,400.20/x
  3. Step 3: Cross multiply
    3,123,993.12x = 4,680,635.04 × 2,097,400.20
  4. Step 4: Simplify right side
    3,123,993.12x = 9,817,164,869,023.01
  5. Step 5: Solve for x
    x = 9,817,164,869,023.01/3,123,993.12
  6. Step 6: Final answer
    x = 3,142,505.28

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1.5x scale

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.