Home / 4,188,000.70-6,282,001.05-3,125,118.70

Finding the Fourth Proportional to 4,188,000.70, 6,282,001.05 and 3,125,118.70

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Solution

The fourth proportional to 4,188,000.70, 6,282,001.05 and 3,125,118.70 is: 4,687,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,000.70 : 6,282,001.05 = 3,125,118.70 : x
  2. Step 2: Convert to fraction form
    4,188,000.70/6,282,001.05 = 3,125,118.70/x
  3. Step 3: Cross multiply
    4,188,000.70x = 6,282,001.05 × 3,125,118.70
  4. Step 4: Simplify right side
    4,188,000.70x = 19,631,998,954,774.64
  5. Step 5: Solve for x
    x = 19,631,998,954,774.64/4,188,000.70
  6. Step 6: Final answer
    x = 4,687,678.05

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Similar ratio
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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.