Home / 3,556,921.38-4,909,171.77-2,107,432.90

Finding the Fourth Proportional to 3,556,921.38, 4,909,171.77 and 2,107,432.90

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Solution

The fourth proportional to 3,556,921.38, 4,909,171.77 and 2,107,432.90 is: 2,908,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,921.38 : 4,909,171.77 = 2,107,432.90 : x
  2. Step 2: Convert to fraction form
    3,556,921.38/4,909,171.77 = 2,107,432.90/x
  3. Step 3: Cross multiply
    3,556,921.38x = 4,909,171.77 × 2,107,432.90
  4. Step 4: Simplify right side
    3,556,921.38x = 10,345,750,099,849.23
  5. Step 5: Solve for x
    x = 10,345,750,099,849.23/3,556,921.38
  6. Step 6: Final answer
    x = 2,908,624.90

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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.