Home / 5,176,221.16-7,764,331.76-1,581,998.44

Finding the Fourth Proportional to 5,176,221.16, 7,764,331.76 and 1,581,998.44

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Solution

The fourth proportional to 5,176,221.16, 7,764,331.76 and 1,581,998.44 is: 2,372,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,221.16 : 7,764,331.76 = 1,581,998.44 : x
  2. Step 2: Convert to fraction form
    5,176,221.16/7,764,331.76 = 1,581,998.44/x
  3. Step 3: Cross multiply
    5,176,221.16x = 7,764,331.76 × 1,581,998.44
  4. Step 4: Simplify right side
    5,176,221.16x = 12,283,160,731,962.45
  5. Step 5: Solve for x
    x = 12,283,160,731,962.45/5,176,221.16
  6. Step 6: Final answer
    x = 2,372,997.67

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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.