Home / 5,912,675.40-8,869,013.10-2,126,281.80

Finding the Fourth Proportional to 5,912,675.40, 8,869,013.10 and 2,126,281.80

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Solution

The fourth proportional to 5,912,675.40, 8,869,013.10 and 2,126,281.80 is: 3,189,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912,675.40 : 8,869,013.10 = 2,126,281.80 : x
  2. Step 2: Convert to fraction form
    5,912,675.40/8,869,013.10 = 2,126,281.80/x
  3. Step 3: Cross multiply
    5,912,675.40x = 8,869,013.10 × 2,126,281.80
  4. Step 4: Simplify right side
    5,912,675.40x = 18,858,021,138,491.58
  5. Step 5: Solve for x
    x = 18,858,021,138,491.58/5,912,675.40
  6. Step 6: Final answer
    x = 3,189,422.70

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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.