Home / 3,177,785.77-4,766,637.65-781,651.16

Finding the Fourth Proportional to 3,177,785.77, 4,766,637.65 and 781,651.16

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Solution

The fourth proportional to 3,177,785.77, 4,766,637.65 and 781,651.16 is: 1,172,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,785.77 : 4,766,637.65 = 781,651.16 : x
  2. Step 2: Convert to fraction form
    3,177,785.77/4,766,637.65 = 781,651.16/x
  3. Step 3: Cross multiply
    3,177,785.77x = 4,766,637.65 × 781,651.16
  4. Step 4: Simplify right side
    3,177,785.77x = 3,725,847,865,367.96
  5. Step 5: Solve for x
    x = 3,725,847,865,367.96/3,177,785.77
  6. Step 6: Final answer
    x = 1,172,466.66

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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.