Home / 2,144,800.80-3,216,250.80-724,471.20

Finding the Fourth Proportional to 2,144,800.80, 3,216,250.80 and 724,471.20

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Solution

The fourth proportional to 2,144,800.80, 3,216,250.80 and 724,471.20 is: 1,086,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,800.80 : 3,216,250.80 = 724,471.20 : x
  2. Step 2: Convert to fraction form
    2,144,800.80/3,216,250.80 = 724,471.20/x
  3. Step 3: Cross multiply
    2,144,800.80x = 3,216,250.80 × 724,471.20
  4. Step 4: Simplify right side
    2,144,800.80x = 2,330,081,076,576.96
  5. Step 5: Solve for x
    x = 2,330,081,076,576.96/2,144,800.80
  6. Step 6: Final answer
    x = 1,086,385.77

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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.