Home / 5,182,008.52-7,151,181.30-2,890,316.92

Finding the Fourth Proportional to 5,182,008.52, 7,151,181.30 and 2,890,316.92

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Solution

The fourth proportional to 5,182,008.52, 7,151,181.30 and 2,890,316.92 is: 3,988,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,008.52 : 7,151,181.30 = 2,890,316.92 : x
  2. Step 2: Convert to fraction form
    5,182,008.52/7,151,181.30 = 2,890,316.92/x
  3. Step 3: Cross multiply
    5,182,008.52x = 7,151,181.30 × 2,890,316.92
  4. Step 4: Simplify right side
    5,182,008.52x = 20,669,180,309,377.59
  5. Step 5: Solve for x
    x = 20,669,180,309,377.59/5,182,008.52
  6. Step 6: Final answer
    x = 3,988,642.67

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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.