Home / 2,627,721.60-3,942,165.60-1,207,435.20

Finding the Fourth Proportional to 2,627,721.60, 3,942,165.60 and 1,207,435.20

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Solution

The fourth proportional to 2,627,721.60, 3,942,165.60 and 1,207,435.20 is: 1,811,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627,721.60 : 3,942,165.60 = 1,207,435.20 : x
  2. Step 2: Convert to fraction form
    2,627,721.60/3,942,165.60 = 1,207,435.20/x
  3. Step 3: Cross multiply
    2,627,721.60x = 3,942,165.60 × 1,207,435.20
  4. Step 4: Simplify right side
    2,627,721.60x = 4,759,909,509,669.12
  5. Step 5: Solve for x
    x = 4,759,909,509,669.12/2,627,721.60
  6. Step 6: Final answer
    x = 1,811,420.78

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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.