Home / 2,223,659.39-3,068,979.03-1,407,938.76

Finding the Fourth Proportional to 2,223,659.39, 3,068,979.03 and 1,407,938.76

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Solution

The fourth proportional to 2,223,659.39, 3,068,979.03 and 1,407,938.76 is: 1,943,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223,659.39 : 3,068,979.03 = 1,407,938.76 : x
  2. Step 2: Convert to fraction form
    2,223,659.39/3,068,979.03 = 1,407,938.76/x
  3. Step 3: Cross multiply
    2,223,659.39x = 3,068,979.03 × 1,407,938.76
  4. Step 4: Simplify right side
    2,223,659.39x = 4,320,934,529,964.20
  5. Step 5: Solve for x
    x = 4,320,934,529,964.20/2,223,659.39
  6. Step 6: Final answer
    x = 1,943,163.85

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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.