Home / 2,138,500.36-3,208,045.38-718,666.48

Finding the Fourth Proportional to 2,138,500.36, 3,208,045.38 and 718,666.48

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Solution

The fourth proportional to 2,138,500.36, 3,208,045.38 and 718,666.48 is: 1,078,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,500.36 : 3,208,045.38 = 718,666.48 : x
  2. Step 2: Convert to fraction form
    2,138,500.36/3,208,045.38 = 718,666.48/x
  3. Step 3: Cross multiply
    2,138,500.36x = 3,208,045.38 × 718,666.48
  4. Step 4: Simplify right side
    2,138,500.36x = 2,305,514,680,924.86
  5. Step 5: Solve for x
    x = 2,305,514,680,924.86/2,138,500.36
  6. Step 6: Final answer
    x = 1,078,098.80

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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.