Home / 3,852,772.80-5,320,400.40-2,884,221.60

Finding the Fourth Proportional to 3,852,772.80, 5,320,400.40 and 2,884,221.60

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Solution

The fourth proportional to 3,852,772.80, 5,320,400.40 and 2,884,221.60 is: 3,982,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,772.80 : 5,320,400.40 = 2,884,221.60 : x
  2. Step 2: Convert to fraction form
    3,852,772.80/5,320,400.40 = 2,884,221.60/x
  3. Step 3: Cross multiply
    3,852,772.80x = 5,320,400.40 × 2,884,221.60
  4. Step 4: Simplify right side
    3,852,772.80x = 15,345,213,754,328.64
  5. Step 5: Solve for x
    x = 15,345,213,754,328.64/3,852,772.80
  6. Step 6: Final answer
    x = 3,982,901.29

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1.5x scale

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.