Home / 2,145,228.80-3,216,892.80-724,899.20

Finding the Fourth Proportional to 2,145,228.80, 3,216,892.80 and 724,899.20

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Solution

The fourth proportional to 2,145,228.80, 3,216,892.80 and 724,899.20 is: 1,087,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,228.80 : 3,216,892.80 = 724,899.20 : x
  2. Step 2: Convert to fraction form
    2,145,228.80/3,216,892.80 = 724,899.20/x
  3. Step 3: Cross multiply
    2,145,228.80x = 3,216,892.80 × 724,899.20
  4. Step 4: Simplify right side
    2,145,228.80x = 2,331,923,017,205.76
  5. Step 5: Solve for x
    x = 2,331,923,017,205.76/2,145,228.80
  6. Step 6: Final answer
    x = 1,087,027.65

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1.5x scale

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.