Home / 2,751,129.70-4,126,876.80-729,345.40

Finding the Fourth Proportional to 2,751,129.70, 4,126,876.80 and 729,345.40

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Solution

The fourth proportional to 2,751,129.70, 4,126,876.80 and 729,345.40 is: 1,094,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,129.70 : 4,126,876.80 = 729,345.40 : x
  2. Step 2: Convert to fraction form
    2,751,129.70/4,126,876.80 = 729,345.40/x
  3. Step 3: Cross multiply
    2,751,129.70x = 4,126,876.80 × 729,345.40
  4. Step 4: Simplify right side
    2,751,129.70x = 3,009,918,610,446.72
  5. Step 5: Solve for x
    x = 3,009,918,610,446.72/2,751,129.70
  6. Step 6: Final answer
    x = 1,094,066.42

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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.