Home / 1,918,102.43-2,646,792.90-1,058,607.20

Finding the Fourth Proportional to 1,918,102.43, 2,646,792.90 and 1,058,607.20

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Solution

The fourth proportional to 1,918,102.43, 2,646,792.90 and 1,058,607.20 is: 1,460,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,102.43 : 2,646,792.90 = 1,058,607.20 : x
  2. Step 2: Convert to fraction form
    1,918,102.43/2,646,792.90 = 1,058,607.20/x
  3. Step 3: Cross multiply
    1,918,102.43x = 2,646,792.90 × 1,058,607.20
  4. Step 4: Simplify right side
    1,918,102.43x = 2,801,914,007,614.92
  5. Step 5: Solve for x
    x = 2,801,914,007,614.92/1,918,102.43
  6. Step 6: Final answer
    x = 1,460,773.92

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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.