Home / 1,943,574.20-2,682,114.09-1,072,416.77

Finding the Fourth Proportional to 1,943,574.20, 2,682,114.09 and 1,072,416.77

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Solution

The fourth proportional to 1,943,574.20, 2,682,114.09 and 1,072,416.77 is: 1,479,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,574.20 : 2,682,114.09 = 1,072,416.77 : x
  2. Step 2: Convert to fraction form
    1,943,574.20/2,682,114.09 = 1,072,416.77/x
  3. Step 3: Cross multiply
    1,943,574.20x = 2,682,114.09 × 1,072,416.77
  4. Step 4: Simplify right side
    1,943,574.20x = 2,876,344,129,169.29
  5. Step 5: Solve for x
    x = 2,876,344,129,169.29/1,943,574.20
  6. Step 6: Final answer
    x = 1,479,925.04

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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.