Home / 3,720,982.20-5,581,473.30-3,671,215.80

Finding the Fourth Proportional to 3,720,982.20, 5,581,473.30 and 3,671,215.80

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Solution

The fourth proportional to 3,720,982.20, 5,581,473.30 and 3,671,215.80 is: 5,506,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,982.20 : 5,581,473.30 = 3,671,215.80 : x
  2. Step 2: Convert to fraction form
    3,720,982.20/5,581,473.30 = 3,671,215.80/x
  3. Step 3: Cross multiply
    3,720,982.20x = 5,581,473.30 × 3,671,215.80
  4. Step 4: Simplify right side
    3,720,982.20x = 20,490,792,966,238.14
  5. Step 5: Solve for x
    x = 20,490,792,966,238.14/3,720,982.20
  6. Step 6: Final answer
    x = 5,506,823.70

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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.