Home / 2,850,909.28-3,934,256.40-1,561,796.32

Finding the Fourth Proportional to 2,850,909.28, 3,934,256.40 and 1,561,796.32

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Solution

The fourth proportional to 2,850,909.28, 3,934,256.40 and 1,561,796.32 is: 2,155,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,909.28 : 3,934,256.40 = 1,561,796.32 : x
  2. Step 2: Convert to fraction form
    2,850,909.28/3,934,256.40 = 1,561,796.32/x
  3. Step 3: Cross multiply
    2,850,909.28x = 3,934,256.40 × 1,561,796.32
  4. Step 4: Simplify right side
    2,850,909.28x = 6,144,507,167,456.45
  5. Step 5: Solve for x
    x = 6,144,507,167,456.45/2,850,909.28
  6. Step 6: Final answer
    x = 2,155,279.79

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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.