Home / 2,056,969.20-3,087,203.40-921,478.80

Finding the Fourth Proportional to 2,056,969.20, 3,087,203.40 and 921,478.80

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Solution

The fourth proportional to 2,056,969.20, 3,087,203.40 and 921,478.80 is: 1,383,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056,969.20 : 3,087,203.40 = 921,478.80 : x
  2. Step 2: Convert to fraction form
    2,056,969.20/3,087,203.40 = 921,478.80/x
  3. Step 3: Cross multiply
    2,056,969.20x = 3,087,203.40 × 921,478.80
  4. Step 4: Simplify right side
    2,056,969.20x = 2,844,792,484,387.92
  5. Step 5: Solve for x
    x = 2,844,792,484,387.92/2,056,969.20
  6. Step 6: Final answer
    x = 1,383,001.98

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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.