Home / 2,240,686.80-3,361,030.20-820,886.40

Finding the Fourth Proportional to 2,240,686.80, 3,361,030.20 and 820,886.40

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Solution

The fourth proportional to 2,240,686.80, 3,361,030.20 and 820,886.40 is: 1,231,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,686.80 : 3,361,030.20 = 820,886.40 : x
  2. Step 2: Convert to fraction form
    2,240,686.80/3,361,030.20 = 820,886.40/x
  3. Step 3: Cross multiply
    2,240,686.80x = 3,361,030.20 × 820,886.40
  4. Step 4: Simplify right side
    2,240,686.80x = 2,759,023,981,169.28
  5. Step 5: Solve for x
    x = 2,759,023,981,169.28/2,240,686.80
  6. Step 6: Final answer
    x = 1,231,329.60

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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.