Home / 1,666,822.60-2,500,233.90-1,640,250.55

Finding the Fourth Proportional to 1,666,822.60, 2,500,233.90 and 1,640,250.55

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Solution

The fourth proportional to 1,666,822.60, 2,500,233.90 and 1,640,250.55 is: 2,460,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,822.60 : 2,500,233.90 = 1,640,250.55 : x
  2. Step 2: Convert to fraction form
    1,666,822.60/2,500,233.90 = 1,640,250.55/x
  3. Step 3: Cross multiply
    1,666,822.60x = 2,500,233.90 × 1,640,250.55
  4. Step 4: Simplify right side
    1,666,822.60x = 4,101,010,029,603.65
  5. Step 5: Solve for x
    x = 4,101,010,029,603.65/1,666,822.60
  6. Step 6: Final answer
    x = 2,460,375.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.