Home / 2,639,792.48-3,960,117.60-817,731.92

Finding the Fourth Proportional to 2,639,792.48, 3,960,117.60 and 817,731.92

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Solution

The fourth proportional to 2,639,792.48, 3,960,117.60 and 817,731.92 is: 1,226,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,792.48 : 3,960,117.60 = 817,731.92 : x
  2. Step 2: Convert to fraction form
    2,639,792.48/3,960,117.60 = 817,731.92/x
  3. Step 3: Cross multiply
    2,639,792.48x = 3,960,117.60 × 817,731.92
  4. Step 4: Simplify right side
    2,639,792.48x = 3,238,314,568,473.79
  5. Step 5: Solve for x
    x = 3,238,314,568,473.79/2,639,792.48
  6. Step 6: Final answer
    x = 1,226,730.73

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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.