Home / 2,186,343.18-3,017,145.80-1,219,472.78

Finding the Fourth Proportional to 2,186,343.18, 3,017,145.80 and 1,219,472.78

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Solution

The fourth proportional to 2,186,343.18, 3,017,145.80 and 1,219,472.78 is: 1,682,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,343.18 : 3,017,145.80 = 1,219,472.78 : x
  2. Step 2: Convert to fraction form
    2,186,343.18/3,017,145.80 = 1,219,472.78/x
  3. Step 3: Cross multiply
    2,186,343.18x = 3,017,145.80 × 1,219,472.78
  4. Step 4: Simplify right side
    2,186,343.18x = 3,679,327,176,391.32
  5. Step 5: Solve for x
    x = 3,679,327,176,391.32/2,186,343.18
  6. Step 6: Final answer
    x = 1,682,868.09

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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.