Home / 2,136,872.68-2,948,885-1,170,064.24

Finding the Fourth Proportional to 2,136,872.68, 2,948,885 and 1,170,064.24

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Solution

The fourth proportional to 2,136,872.68, 2,948,885 and 1,170,064.24 is: 1,614,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,872.68 : 2,948,885 = 1,170,064.24 : x
  2. Step 2: Convert to fraction form
    2,136,872.68/2,948,885 = 1,170,064.24/x
  3. Step 3: Cross multiply
    2,136,872.68x = 2,948,885 × 1,170,064.24
  4. Step 4: Simplify right side
    2,136,872.68x = 3,450,384,886,372.40
  5. Step 5: Solve for x
    x = 3,450,384,886,372.40/2,136,872.68
  6. Step 6: Final answer
    x = 1,614,689.04

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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.