Home / 2,065,620.78-2,849,724.30-1,248,405.66

Finding the Fourth Proportional to 2,065,620.78, 2,849,724.30 and 1,248,405.66

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Solution

The fourth proportional to 2,065,620.78, 2,849,724.30 and 1,248,405.66 is: 1,722,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,620.78 : 2,849,724.30 = 1,248,405.66 : x
  2. Step 2: Convert to fraction form
    2,065,620.78/2,849,724.30 = 1,248,405.66/x
  3. Step 3: Cross multiply
    2,065,620.78x = 2,849,724.30 × 1,248,405.66
  4. Step 4: Simplify right side
    2,065,620.78x = 3,557,611,945,559.54
  5. Step 5: Solve for x
    x = 3,557,611,945,559.54/2,065,620.78
  6. Step 6: Final answer
    x = 1,722,296.74

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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.