Home / 1,729,310.91-2,369,144.91-1,664,642.73

Finding the Fourth Proportional to 1,729,310.91, 2,369,144.91 and 1,664,642.73

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Solution

The fourth proportional to 1,729,310.91, 2,369,144.91 and 1,664,642.73 is: 2,280,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,310.91 : 2,369,144.91 = 1,664,642.73 : x
  2. Step 2: Convert to fraction form
    1,729,310.91/2,369,144.91 = 1,664,642.73/x
  3. Step 3: Cross multiply
    1,729,310.91x = 2,369,144.91 × 1,664,642.73
  4. Step 4: Simplify right side
    1,729,310.91x = 3,943,779,850,748.00
  5. Step 5: Solve for x
    x = 3,943,779,850,748.00/1,729,310.91
  6. Step 6: Final answer
    x = 2,280,549.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.