Home / 1,943,251.20-2,681,671.64-1,072,122.63

Finding the Fourth Proportional to 1,943,251.20, 2,681,671.64 and 1,072,122.63

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Solution

The fourth proportional to 1,943,251.20, 2,681,671.64 and 1,072,122.63 is: 1,479,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,251.20 : 2,681,671.64 = 1,072,122.63 : x
  2. Step 2: Convert to fraction form
    1,943,251.20/2,681,671.64 = 1,072,122.63/x
  3. Step 3: Cross multiply
    1,943,251.20x = 2,681,671.64 × 1,072,122.63
  4. Step 4: Simplify right side
    1,943,251.20x = 2,875,080,846,112.60
  5. Step 5: Solve for x
    x = 2,875,080,846,112.60/1,943,251.20
  6. Step 6: Final answer
    x = 1,479,520.94

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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.