Home / 3,838,407.58-5,757,215.78-1,279,346.02

Finding the Fourth Proportional to 3,838,407.58, 5,757,215.78 and 1,279,346.02

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Solution

The fourth proportional to 3,838,407.58, 5,757,215.78 and 1,279,346.02 is: 1,918,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,407.58 : 5,757,215.78 = 1,279,346.02 : x
  2. Step 2: Convert to fraction form
    3,838,407.58/5,757,215.78 = 1,279,346.02/x
  3. Step 3: Cross multiply
    3,838,407.58x = 5,757,215.78 × 1,279,346.02
  4. Step 4: Simplify right side
    3,838,407.58x = 7,365,471,094,424.20
  5. Step 5: Solve for x
    x = 7,365,471,094,424.20/3,838,407.58
  6. Step 6: Final answer
    x = 1,918,887.18

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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.