Home / 2,260,995.20-3,120,172.80-1,242,465.92

Finding the Fourth Proportional to 2,260,995.20, 3,120,172.80 and 1,242,465.92

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Solution

The fourth proportional to 2,260,995.20, 3,120,172.80 and 1,242,465.92 is: 1,714,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260,995.20 : 3,120,172.80 = 1,242,465.92 : x
  2. Step 2: Convert to fraction form
    2,260,995.20/3,120,172.80 = 1,242,465.92/x
  3. Step 3: Cross multiply
    2,260,995.20x = 3,120,172.80 × 1,242,465.92
  4. Step 4: Simplify right side
    2,260,995.20x = 3,876,708,368,510.98
  5. Step 5: Solve for x
    x = 3,876,708,368,510.98/2,260,995.20
  6. Step 6: Final answer
    x = 1,714,602.65

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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.