Home / 2,154,306.44-2,972,907.06-1,187,526.44

Finding the Fourth Proportional to 2,154,306.44, 2,972,907.06 and 1,187,526.44

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Solution

The fourth proportional to 2,154,306.44, 2,972,907.06 and 1,187,526.44 is: 1,638,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,306.44 : 2,972,907.06 = 1,187,526.44 : x
  2. Step 2: Convert to fraction form
    2,154,306.44/2,972,907.06 = 1,187,526.44/x
  3. Step 3: Cross multiply
    2,154,306.44x = 2,972,907.06 × 1,187,526.44
  4. Step 4: Simplify right side
    2,154,306.44x = 3,530,405,737,412.67
  5. Step 5: Solve for x
    x = 3,530,405,737,412.67/2,154,306.44
  6. Step 6: Final answer
    x = 1,638,766.74

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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.