Home / 2,407,978.28-3,612,340.62-810,416.70

Finding the Fourth Proportional to 2,407,978.28, 3,612,340.62 and 810,416.70

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Solution

The fourth proportional to 2,407,978.28, 3,612,340.62 and 810,416.70 is: 1,215,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407,978.28 : 3,612,340.62 = 810,416.70 : x
  2. Step 2: Convert to fraction form
    2,407,978.28/3,612,340.62 = 810,416.70/x
  3. Step 3: Cross multiply
    2,407,978.28x = 3,612,340.62 × 810,416.70
  4. Step 4: Simplify right side
    2,407,978.28x = 2,927,501,164,536.35
  5. Step 5: Solve for x
    x = 2,927,501,164,536.35/2,407,978.28
  6. Step 6: Final answer
    x = 1,215,750.65

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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.