Home / 1,941,597.75-2,678,811.15-1,125,638.61

Finding the Fourth Proportional to 1,941,597.75, 2,678,811.15 and 1,125,638.61

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Solution

The fourth proportional to 1,941,597.75, 2,678,811.15 and 1,125,638.61 is: 1,553,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,597.75 : 2,678,811.15 = 1,125,638.61 : x
  2. Step 2: Convert to fraction form
    1,941,597.75/2,678,811.15 = 1,125,638.61/x
  3. Step 3: Cross multiply
    1,941,597.75x = 2,678,811.15 × 1,125,638.61
  4. Step 4: Simplify right side
    1,941,597.75x = 3,015,373,259,338.50
  5. Step 5: Solve for x
    x = 3,015,373,259,338.50/1,941,597.75
  6. Step 6: Final answer
    x = 1,553,037.06

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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.