Home / 3,960,480-5,465,560.32-2,149,639.68

Finding the Fourth Proportional to 3,960,480, 5,465,560.32 and 2,149,639.68

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Solution

The fourth proportional to 3,960,480, 5,465,560.32 and 2,149,639.68 is: 2,966,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,480 : 5,465,560.32 = 2,149,639.68 : x
  2. Step 2: Convert to fraction form
    3,960,480/5,465,560.32 = 2,149,639.68/x
  3. Step 3: Cross multiply
    3,960,480x = 5,465,560.32 × 2,149,639.68
  4. Step 4: Simplify right side
    3,960,480x = 11,748,985,337,305.50
  5. Step 5: Solve for x
    x = 11,748,985,337,305.50/3,960,480
  6. Step 6: Final answer
    x = 2,966,555.91

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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.