Home / 2,239,177.92-3,090,097.68-1,220,582.64

Finding the Fourth Proportional to 2,239,177.92, 3,090,097.68 and 1,220,582.64

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Solution

The fourth proportional to 2,239,177.92, 3,090,097.68 and 1,220,582.64 is: 1,684,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,177.92 : 3,090,097.68 = 1,220,582.64 : x
  2. Step 2: Convert to fraction form
    2,239,177.92/3,090,097.68 = 1,220,582.64/x
  3. Step 3: Cross multiply
    2,239,177.92x = 3,090,097.68 × 1,220,582.64
  4. Step 4: Simplify right side
    2,239,177.92x = 3,771,719,584,112.28
  5. Step 5: Solve for x
    x = 3,771,719,584,112.28/2,239,177.92
  6. Step 6: Final answer
    x = 1,684,421.57

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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.