Home / 1,977,306.71-2,728,577.27-1,117,815.71

Finding the Fourth Proportional to 1,977,306.71, 2,728,577.27 and 1,117,815.71

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Solution

The fourth proportional to 1,977,306.71, 2,728,577.27 and 1,117,815.71 is: 1,542,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,306.71 : 2,728,577.27 = 1,117,815.71 : x
  2. Step 2: Convert to fraction form
    1,977,306.71/2,728,577.27 = 1,117,815.71/x
  3. Step 3: Cross multiply
    1,977,306.71x = 2,728,577.27 × 1,117,815.71
  4. Step 4: Simplify right side
    1,977,306.71x = 3,050,046,527,506.57
  5. Step 5: Solve for x
    x = 3,050,046,527,506.57/1,977,306.71
  6. Step 6: Final answer
    x = 1,542,525.76

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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.