Home / 2,499,790.80-3,749,686.20-817,064.40

Finding the Fourth Proportional to 2,499,790.80, 3,749,686.20 and 817,064.40

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Solution

The fourth proportional to 2,499,790.80, 3,749,686.20 and 817,064.40 is: 1,225,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499,790.80 : 3,749,686.20 = 817,064.40 : x
  2. Step 2: Convert to fraction form
    2,499,790.80/3,749,686.20 = 817,064.40/x
  3. Step 3: Cross multiply
    2,499,790.80x = 3,749,686.20 × 817,064.40
  4. Step 4: Simplify right side
    2,499,790.80x = 3,063,735,105,191.28
  5. Step 5: Solve for x
    x = 3,063,735,105,191.28/2,499,790.80
  6. Step 6: Final answer
    x = 1,225,596.60

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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.