Home / 1,549,321.94-2,138,116.20-861,022.81

Finding the Fourth Proportional to 1,549,321.94, 2,138,116.20 and 861,022.81

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Solution

The fourth proportional to 1,549,321.94, 2,138,116.20 and 861,022.81 is: 1,188,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,321.94 : 2,138,116.20 = 861,022.81 : x
  2. Step 2: Convert to fraction form
    1,549,321.94/2,138,116.20 = 861,022.81/x
  3. Step 3: Cross multiply
    1,549,321.94x = 2,138,116.20 × 861,022.81
  4. Step 4: Simplify right side
    1,549,321.94x = 1,840,966,824,532.00
  5. Step 5: Solve for x
    x = 1,840,966,824,532.00/1,549,321.94
  6. Step 6: Final answer
    x = 1,188,240.34

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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.