Home / 2,412,897.78-3,619,343.63-615,781.31

Finding the Fourth Proportional to 2,412,897.78, 3,619,343.63 and 615,781.31

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Solution

The fourth proportional to 2,412,897.78, 3,619,343.63 and 615,781.31 is: 923,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,897.78 : 3,619,343.63 = 615,781.31 : x
  2. Step 2: Convert to fraction form
    2,412,897.78/3,619,343.63 = 615,781.31/x
  3. Step 3: Cross multiply
    2,412,897.78x = 3,619,343.63 × 615,781.31
  4. Step 4: Simplify right side
    2,412,897.78x = 2,228,724,140,645.93
  5. Step 5: Solve for x
    x = 2,228,724,140,645.93/2,412,897.78
  6. Step 6: Final answer
    x = 923,671.18

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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.