Home / 2,478,071.75-3,717,148.62-680,944.13

Finding the Fourth Proportional to 2,478,071.75, 3,717,148.62 and 680,944.13

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Solution

The fourth proportional to 2,478,071.75, 3,717,148.62 and 680,944.13 is: 1,021,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478,071.75 : 3,717,148.62 = 680,944.13 : x
  2. Step 2: Convert to fraction form
    2,478,071.75/3,717,148.62 = 680,944.13/x
  3. Step 3: Cross multiply
    2,478,071.75x = 3,717,148.62 × 680,944.13
  4. Step 4: Simplify right side
    2,478,071.75x = 2,531,170,542,419.47
  5. Step 5: Solve for x
    x = 2,531,170,542,419.47/2,478,071.75
  6. Step 6: Final answer
    x = 1,021,427.47

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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.