Home / 1,449,424.10-2,174,136.15-1,325,421.20

Finding the Fourth Proportional to 1,449,424.10, 2,174,136.15 and 1,325,421.20

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Solution

The fourth proportional to 1,449,424.10, 2,174,136.15 and 1,325,421.20 is: 1,988,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,424.10 : 2,174,136.15 = 1,325,421.20 : x
  2. Step 2: Convert to fraction form
    1,449,424.10/2,174,136.15 = 1,325,421.20/x
  3. Step 3: Cross multiply
    1,449,424.10x = 2,174,136.15 × 1,325,421.20
  4. Step 4: Simplify right side
    1,449,424.10x = 2,881,646,144,896.38
  5. Step 5: Solve for x
    x = 2,881,646,144,896.38/1,449,424.10
  6. Step 6: Final answer
    x = 1,988,131.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.