Home / 1,970,380.12-2,719,123.38-1,064,962.12

Finding the Fourth Proportional to 1,970,380.12, 2,719,123.38 and 1,064,962.12

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Solution

The fourth proportional to 1,970,380.12, 2,719,123.38 and 1,064,962.12 is: 1,469,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,380.12 : 2,719,123.38 = 1,064,962.12 : x
  2. Step 2: Convert to fraction form
    1,970,380.12/2,719,123.38 = 1,064,962.12/x
  3. Step 3: Cross multiply
    1,970,380.12x = 2,719,123.38 × 1,064,962.12
  4. Step 4: Simplify right side
    1,970,380.12x = 2,895,763,399,306.37
  5. Step 5: Solve for x
    x = 2,895,763,399,306.37/1,970,380.12
  6. Step 6: Final answer
    x = 1,469,647.08

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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.