Home / 2,129,745.30-2,939,167.56-1,162,965.30

Finding the Fourth Proportional to 2,129,745.30, 2,939,167.56 and 1,162,965.30

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Solution

The fourth proportional to 2,129,745.30, 2,939,167.56 and 1,162,965.30 is: 1,604,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,745.30 : 2,939,167.56 = 1,162,965.30 : x
  2. Step 2: Convert to fraction form
    2,129,745.30/2,939,167.56 = 1,162,965.30/x
  3. Step 3: Cross multiply
    2,129,745.30x = 2,939,167.56 × 1,162,965.30
  4. Step 4: Simplify right side
    2,129,745.30x = 3,418,149,883,165.67
  5. Step 5: Solve for x
    x = 3,418,149,883,165.67/2,129,745.30
  6. Step 6: Final answer
    x = 1,604,957.12

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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.