Home / 3,960,180.80-5,465,016.48-2,149,344.32

Finding the Fourth Proportional to 3,960,180.80, 5,465,016.48 and 2,149,344.32

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Solution

The fourth proportional to 3,960,180.80, 5,465,016.48 and 2,149,344.32 is: 2,966,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,180.80 : 5,465,016.48 = 2,149,344.32 : x
  2. Step 2: Convert to fraction form
    3,960,180.80/5,465,016.48 = 2,149,344.32/x
  3. Step 3: Cross multiply
    3,960,180.80x = 5,465,016.48 × 2,149,344.32
  4. Step 4: Simplify right side
    3,960,180.80x = 11,746,202,129,994.39
  5. Step 5: Solve for x
    x = 11,746,202,129,994.39/3,960,180.80
  6. Step 6: Final answer
    x = 2,966,077.24

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1.5x scale

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.