Home / 1,877,729.35-2,591,243.70-1,018,279.66

Finding the Fourth Proportional to 1,877,729.35, 2,591,243.70 and 1,018,279.66

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Solution

The fourth proportional to 1,877,729.35, 2,591,243.70 and 1,018,279.66 is: 1,405,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,729.35 : 2,591,243.70 = 1,018,279.66 : x
  2. Step 2: Convert to fraction form
    1,877,729.35/2,591,243.70 = 1,018,279.66/x
  3. Step 3: Cross multiply
    1,877,729.35x = 2,591,243.70 × 1,018,279.66
  4. Step 4: Simplify right side
    1,877,729.35x = 2,638,610,753,813.14
  5. Step 5: Solve for x
    x = 2,638,610,753,813.14/1,877,729.35
  6. Step 6: Final answer
    x = 1,405,213.56

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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.