Home / 2,315,023.80-3,472,535.70-818,921.40

Finding the Fourth Proportional to 2,315,023.80, 3,472,535.70 and 818,921.40

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Solution

The fourth proportional to 2,315,023.80, 3,472,535.70 and 818,921.40 is: 1,228,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,023.80 : 3,472,535.70 = 818,921.40 : x
  2. Step 2: Convert to fraction form
    2,315,023.80/3,472,535.70 = 818,921.40/x
  3. Step 3: Cross multiply
    2,315,023.80x = 3,472,535.70 × 818,921.40
  4. Step 4: Simplify right side
    2,315,023.80x = 2,843,733,796,993.98
  5. Step 5: Solve for x
    x = 2,843,733,796,993.98/2,315,023.80
  6. Step 6: Final answer
    x = 1,228,382.10

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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.