Home / 2,172,862.18-2,998,527.15-1,206,000.82

Finding the Fourth Proportional to 2,172,862.18, 2,998,527.15 and 1,206,000.82

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Solution

The fourth proportional to 2,172,862.18, 2,998,527.15 and 1,206,000.82 is: 1,664,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,862.18 : 2,998,527.15 = 1,206,000.82 : x
  2. Step 2: Convert to fraction form
    2,172,862.18/2,998,527.15 = 1,206,000.82/x
  3. Step 3: Cross multiply
    2,172,862.18x = 2,998,527.15 × 1,206,000.82
  4. Step 4: Simplify right side
    2,172,862.18x = 3,616,226,201,692.26
  5. Step 5: Solve for x
    x = 3,616,226,201,692.26/2,172,862.18
  6. Step 6: Final answer
    x = 1,664,268.56

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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.