Home / 2,126,952.40-3,190,428.60-1,861,231.90

Finding the Fourth Proportional to 2,126,952.40, 3,190,428.60 and 1,861,231.90

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Solution

The fourth proportional to 2,126,952.40, 3,190,428.60 and 1,861,231.90 is: 2,791,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,952.40 : 3,190,428.60 = 1,861,231.90 : x
  2. Step 2: Convert to fraction form
    2,126,952.40/3,190,428.60 = 1,861,231.90/x
  3. Step 3: Cross multiply
    2,126,952.40x = 3,190,428.60 × 1,861,231.90
  4. Step 4: Simplify right side
    2,126,952.40x = 5,938,127,484,992.34
  5. Step 5: Solve for x
    x = 5,938,127,484,992.34/2,126,952.40
  6. Step 6: Final answer
    x = 2,791,847.85

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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.