Home / 1,777,123.23-2,449,879.33-1,266,939.87

Finding the Fourth Proportional to 1,777,123.23, 2,449,879.33 and 1,266,939.87

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Solution

The fourth proportional to 1,777,123.23, 2,449,879.33 and 1,266,939.87 is: 1,746,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,123.23 : 2,449,879.33 = 1,266,939.87 : x
  2. Step 2: Convert to fraction form
    1,777,123.23/2,449,879.33 = 1,266,939.87/x
  3. Step 3: Cross multiply
    1,777,123.23x = 2,449,879.33 × 1,266,939.87
  4. Step 4: Simplify right side
    1,777,123.23x = 3,103,849,799,865.89
  5. Step 5: Solve for x
    x = 3,103,849,799,865.89/1,777,123.23
  6. Step 6: Final answer
    x = 1,746,558.57

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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.