Home / 2,986,312.21-4,472,493.15-2,745,170.86

Finding the Fourth Proportional to 2,986,312.21, 4,472,493.15 and 2,745,170.86

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Solution

The fourth proportional to 2,986,312.21, 4,472,493.15 and 2,745,170.86 is: 4,111,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,312.21 : 4,472,493.15 = 2,745,170.86 : x
  2. Step 2: Convert to fraction form
    2,986,312.21/4,472,493.15 = 2,745,170.86/x
  3. Step 3: Cross multiply
    2,986,312.21x = 4,472,493.15 × 2,745,170.86
  4. Step 4: Simplify right side
    2,986,312.21x = 12,277,757,866,929.61
  5. Step 5: Solve for x
    x = 12,277,757,866,929.61/2,986,312.21
  6. Step 6: Final answer
    x = 4,111,344.36

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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.