Home / 2,960,605-4,085,872.32-2,353,765.78

Finding the Fourth Proportional to 2,960,605, 4,085,872.32 and 2,353,765.78

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Solution

The fourth proportional to 2,960,605, 4,085,872.32 and 2,353,765.78 is: 3,248,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960,605 : 4,085,872.32 = 2,353,765.78 : x
  2. Step 2: Convert to fraction form
    2,960,605/4,085,872.32 = 2,353,765.78/x
  3. Step 3: Cross multiply
    2,960,605x = 4,085,872.32 × 2,353,765.78
  4. Step 4: Simplify right side
    2,960,605x = 9,617,186,448,265.21
  5. Step 5: Solve for x
    x = 9,617,186,448,265.21/2,960,605
  6. Step 6: Final answer
    x = 3,248,385.53

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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.