Home / 2,842,349.40-3,922,452-1,553,189.85

Finding the Fourth Proportional to 2,842,349.40, 3,922,452 and 1,553,189.85

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Solution

The fourth proportional to 2,842,349.40, 3,922,452 and 1,553,189.85 is: 2,143,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,349.40 : 3,922,452 = 1,553,189.85 : x
  2. Step 2: Convert to fraction form
    2,842,349.40/3,922,452 = 1,553,189.85/x
  3. Step 3: Cross multiply
    2,842,349.40x = 3,922,452 × 1,553,189.85
  4. Step 4: Simplify right side
    2,842,349.40x = 6,092,312,633,512.20
  5. Step 5: Solve for x
    x = 6,092,312,633,512.20/2,842,349.40
  6. Step 6: Final answer
    x = 2,143,407.36

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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.