Home / 2,948,695.76-4,067,639.48-2,029,328.78

Finding the Fourth Proportional to 2,948,695.76, 4,067,639.48 and 2,029,328.78

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Solution

The fourth proportional to 2,948,695.76, 4,067,639.48 and 2,029,328.78 is: 2,799,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,695.76 : 4,067,639.48 = 2,029,328.78 : x
  2. Step 2: Convert to fraction form
    2,948,695.76/4,067,639.48 = 2,029,328.78/x
  3. Step 3: Cross multiply
    2,948,695.76x = 4,067,639.48 × 2,029,328.78
  4. Step 4: Simplify right side
    2,948,695.76x = 8,254,577,863,428.24
  5. Step 5: Solve for x
    x = 8,254,577,863,428.24/2,948,695.76
  6. Step 6: Final answer
    x = 2,799,399.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.