Home / 1,918,342.17-2,647,311.80-1,058,902.20

Finding the Fourth Proportional to 1,918,342.17, 2,647,311.80 and 1,058,902.20

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Solution

The fourth proportional to 1,918,342.17, 2,647,311.80 and 1,058,902.20 is: 1,461,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,342.17 : 2,647,311.80 = 1,058,902.20 : x
  2. Step 2: Convert to fraction form
    1,918,342.17/2,647,311.80 = 1,058,902.20/x
  3. Step 3: Cross multiply
    1,918,342.17x = 2,647,311.80 × 1,058,902.20
  4. Step 4: Simplify right side
    1,918,342.17x = 2,803,244,289,105.96
  5. Step 5: Solve for x
    x = 2,803,244,289,105.96/1,918,342.17
  6. Step 6: Final answer
    x = 1,461,284.82

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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.