Home / 3,960,406.56-5,465,347.20-2,149,570.56

Finding the Fourth Proportional to 3,960,406.56, 5,465,347.20 and 2,149,570.56

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Solution

The fourth proportional to 3,960,406.56, 5,465,347.20 and 2,149,570.56 is: 2,966,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,406.56 : 5,465,347.20 = 2,149,570.56 : x
  2. Step 2: Convert to fraction form
    3,960,406.56/5,465,347.20 = 2,149,570.56/x
  3. Step 3: Cross multiply
    3,960,406.56x = 5,465,347.20 × 2,149,570.56
  4. Step 4: Simplify right side
    3,960,406.56x = 11,748,149,441,298.43
  5. Step 5: Solve for x
    x = 11,748,149,441,298.43/3,960,406.56
  6. Step 6: Final answer
    x = 2,966,399.85

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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.