Home / 5,259,883.78-7,885,088.70-1,891,722.34

Finding the Fourth Proportional to 5,259,883.78, 7,885,088.70 and 1,891,722.34

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Solution

The fourth proportional to 5,259,883.78, 7,885,088.70 and 1,891,722.34 is: 2,835,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,883.78 : 7,885,088.70 = 1,891,722.34 : x
  2. Step 2: Convert to fraction form
    5,259,883.78/7,885,088.70 = 1,891,722.34/x
  3. Step 3: Cross multiply
    5,259,883.78x = 7,885,088.70 × 1,891,722.34
  4. Step 4: Simplify right side
    5,259,883.78x = 14,916,398,446,671.56
  5. Step 5: Solve for x
    x = 14,916,398,446,671.56/5,259,883.78
  6. Step 6: Final answer
    x = 2,835,879.85

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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.