Home / 1,918,103.43-2,646,794.28-1,058,608.20

Finding the Fourth Proportional to 1,918,103.43, 2,646,794.28 and 1,058,608.20

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Solution

The fourth proportional to 1,918,103.43, 2,646,794.28 and 1,058,608.20 is: 1,460,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,103.43 : 2,646,794.28 = 1,058,608.20 : x
  2. Step 2: Convert to fraction form
    1,918,103.43/2,646,794.28 = 1,058,608.20/x
  3. Step 3: Cross multiply
    1,918,103.43x = 2,646,794.28 × 1,058,608.20
  4. Step 4: Simplify right side
    1,918,103.43x = 2,801,918,128,521.10
  5. Step 5: Solve for x
    x = 2,801,918,128,521.10/1,918,103.43
  6. Step 6: Final answer
    x = 1,460,775.31

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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.