Home / 3,456,809.20-5,180,807.40-1,940,489.20

Finding the Fourth Proportional to 3,456,809.20, 5,180,807.40 and 1,940,489.20

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Solution

The fourth proportional to 3,456,809.20, 5,180,807.40 and 1,940,489.20 is: 2,908,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,809.20 : 5,180,807.40 = 1,940,489.20 : x
  2. Step 2: Convert to fraction form
    3,456,809.20/5,180,807.40 = 1,940,489.20/x
  3. Step 3: Cross multiply
    3,456,809.20x = 5,180,807.40 × 1,940,489.20
  4. Step 4: Simplify right side
    3,456,809.20x = 10,053,300,806,980.08
  5. Step 5: Solve for x
    x = 10,053,300,806,980.08/3,456,809.20
  6. Step 6: Final answer
    x = 2,908,260.26

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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.