Home / 3,251,428.12-4,486,970.12-1,781,388.86

Finding the Fourth Proportional to 3,251,428.12, 4,486,970.12 and 1,781,388.86

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Solution

The fourth proportional to 3,251,428.12, 4,486,970.12 and 1,781,388.86 is: 2,458,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251,428.12 : 4,486,970.12 = 1,781,388.86 : x
  2. Step 2: Convert to fraction form
    3,251,428.12/4,486,970.12 = 1,781,388.86/x
  3. Step 3: Cross multiply
    3,251,428.12x = 4,486,970.12 × 1,781,388.86
  4. Step 4: Simplify right side
    3,251,428.12x = 7,993,038,586,920.86
  5. Step 5: Solve for x
    x = 7,993,038,586,920.86/3,251,428.12
  6. Step 6: Final answer
    x = 2,458,316.25

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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.