Home / 3,897,049.15-5,377,710.90-2,154,617.81

Finding the Fourth Proportional to 3,897,049.15, 5,377,710.90 and 2,154,617.81

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Solution

The fourth proportional to 3,897,049.15, 5,377,710.90 and 2,154,617.81 is: 2,973,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,049.15 : 5,377,710.90 = 2,154,617.81 : x
  2. Step 2: Convert to fraction form
    3,897,049.15/5,377,710.90 = 2,154,617.81/x
  3. Step 3: Cross multiply
    3,897,049.15x = 5,377,710.90 × 2,154,617.81
  4. Step 4: Simplify right side
    3,897,049.15x = 11,586,911,682,171.13
  5. Step 5: Solve for x
    x = 11,586,911,682,171.13/3,897,049.15
  6. Step 6: Final answer
    x = 2,973,252.64

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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.