Home / 6,291,635.58-8,679,725.10-3,998,566.08

Finding the Fourth Proportional to 6,291,635.58, 8,679,725.10 and 3,998,566.08

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Solution

The fourth proportional to 6,291,635.58, 8,679,725.10 and 3,998,566.08 is: 5,516,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291,635.58 : 8,679,725.10 = 3,998,566.08 : x
  2. Step 2: Convert to fraction form
    6,291,635.58/8,679,725.10 = 3,998,566.08/x
  3. Step 3: Cross multiply
    6,291,635.58x = 8,679,725.10 × 3,998,566.08
  4. Step 4: Simplify right side
    6,291,635.58x = 34,706,454,368,584.61
  5. Step 5: Solve for x
    x = 34,706,454,368,584.61/6,291,635.58
  6. Step 6: Final answer
    x = 5,516,284.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.