Home / 3,081,142.40-4,253,045.44-2,117,462.72

Finding the Fourth Proportional to 3,081,142.40, 4,253,045.44 and 2,117,462.72

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Solution

The fourth proportional to 3,081,142.40, 4,253,045.44 and 2,117,462.72 is: 2,922,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,142.40 : 4,253,045.44 = 2,117,462.72 : x
  2. Step 2: Convert to fraction form
    3,081,142.40/4,253,045.44 = 2,117,462.72/x
  3. Step 3: Cross multiply
    3,081,142.40x = 4,253,045.44 × 2,117,462.72
  4. Step 4: Simplify right side
    3,081,142.40x = 9,005,665,165,666.00
  5. Step 5: Solve for x
    x = 9,005,665,165,666.00/3,081,142.40
  6. Step 6: Final answer
    x = 2,922,833.16

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Double scale
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1.5x scale

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.