Home / 2,982,077.80-4,473,116.70-2,781,311.20

Finding the Fourth Proportional to 2,982,077.80, 4,473,116.70 and 2,781,311.20

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Solution

The fourth proportional to 2,982,077.80, 4,473,116.70 and 2,781,311.20 is: 4,171,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,077.80 : 4,473,116.70 = 2,781,311.20 : x
  2. Step 2: Convert to fraction form
    2,982,077.80/4,473,116.70 = 2,781,311.20/x
  3. Step 3: Cross multiply
    2,982,077.80x = 4,473,116.70 × 2,781,311.20
  4. Step 4: Simplify right side
    2,982,077.80x = 12,441,129,576,617.04
  5. Step 5: Solve for x
    x = 12,441,129,576,617.04/2,982,077.80
  6. Step 6: Final answer
    x = 4,171,966.80

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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.