Home / 3,936,386.92-5,432,188.98-2,218,060.84

Finding the Fourth Proportional to 3,936,386.92, 5,432,188.98 and 2,218,060.84

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Solution

The fourth proportional to 3,936,386.92, 5,432,188.98 and 2,218,060.84 is: 3,060,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,386.92 : 5,432,188.98 = 2,218,060.84 : x
  2. Step 2: Convert to fraction form
    3,936,386.92/5,432,188.98 = 2,218,060.84/x
  3. Step 3: Cross multiply
    3,936,386.92x = 5,432,188.98 × 2,218,060.84
  4. Step 4: Simplify right side
    3,936,386.92x = 12,048,925,652,017.54
  5. Step 5: Solve for x
    x = 12,048,925,652,017.54/3,936,386.92
  6. Step 6: Final answer
    x = 3,060,909.89

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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.