Home / 2,315,025.80-3,472,538.70-818,923.40

Finding the Fourth Proportional to 2,315,025.80, 3,472,538.70 and 818,923.40

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Solution

The fourth proportional to 2,315,025.80, 3,472,538.70 and 818,923.40 is: 1,228,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,025.80 : 3,472,538.70 = 818,923.40 : x
  2. Step 2: Convert to fraction form
    2,315,025.80/3,472,538.70 = 818,923.40/x
  3. Step 3: Cross multiply
    2,315,025.80x = 3,472,538.70 × 818,923.40
  4. Step 4: Simplify right side
    2,315,025.80x = 2,843,743,198,835.58
  5. Step 5: Solve for x
    x = 2,843,743,198,835.58/2,315,025.80
  6. Step 6: Final answer
    x = 1,228,385.10

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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.