Home / 3,130,608.80-4,694,746.80-2,181,159.20

Finding the Fourth Proportional to 3,130,608.80, 4,694,746.80 and 2,181,159.20

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Solution

The fourth proportional to 3,130,608.80, 4,694,746.80 and 2,181,159.20 is: 3,270,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,608.80 : 4,694,746.80 = 2,181,159.20 : x
  2. Step 2: Convert to fraction form
    3,130,608.80/4,694,746.80 = 2,181,159.20/x
  3. Step 3: Cross multiply
    3,130,608.80x = 4,694,746.80 × 2,181,159.20
  4. Step 4: Simplify right side
    3,130,608.80x = 10,239,990,174,490.56
  5. Step 5: Solve for x
    x = 10,239,990,174,490.56/3,130,608.80
  6. Step 6: Final answer
    x = 3,270,926.15

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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.