Home / 1,643,762.22-2,268,195.41-908,617.21

Finding the Fourth Proportional to 1,643,762.22, 2,268,195.41 and 908,617.21

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Solution

The fourth proportional to 1,643,762.22, 2,268,195.41 and 908,617.21 is: 1,253,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,762.22 : 2,268,195.41 = 908,617.21 : x
  2. Step 2: Convert to fraction form
    1,643,762.22/2,268,195.41 = 908,617.21/x
  3. Step 3: Cross multiply
    1,643,762.22x = 2,268,195.41 × 908,617.21
  4. Step 4: Simplify right side
    1,643,762.22x = 2,060,921,384,959.71
  5. Step 5: Solve for x
    x = 2,060,921,384,959.71/1,643,762.22
  6. Step 6: Final answer
    x = 1,253,783.15

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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.