Home / 2,186,872.62-3,017,885.50-1,220,002.91

Finding the Fourth Proportional to 2,186,872.62, 3,017,885.50 and 1,220,002.91

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Solution

The fourth proportional to 2,186,872.62, 3,017,885.50 and 1,220,002.91 is: 1,683,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,872.62 : 3,017,885.50 = 1,220,002.91 : x
  2. Step 2: Convert to fraction form
    2,186,872.62/3,017,885.50 = 1,220,002.91/x
  3. Step 3: Cross multiply
    2,186,872.62x = 3,017,885.50 × 1,220,002.91
  4. Step 4: Simplify right side
    2,186,872.62x = 3,681,829,082,936.94
  5. Step 5: Solve for x
    x = 3,681,829,082,936.94/2,186,872.62
  6. Step 6: Final answer
    x = 1,683,604.73

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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.