Home / 1,917,372.85-2,646,029.90-1,057,988.46

Finding the Fourth Proportional to 1,917,372.85, 2,646,029.90 and 1,057,988.46

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Solution

The fourth proportional to 1,917,372.85, 2,646,029.90 and 1,057,988.46 is: 1,460,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,372.85 : 2,646,029.90 = 1,057,988.46 : x
  2. Step 2: Convert to fraction form
    1,917,372.85/2,646,029.90 = 1,057,988.46/x
  3. Step 3: Cross multiply
    1,917,372.85x = 2,646,029.90 × 1,057,988.46
  4. Step 4: Simplify right side
    1,917,372.85x = 2,799,469,093,725.01
  5. Step 5: Solve for x
    x = 2,799,469,093,725.01/1,917,372.85
  6. Step 6: Final answer
    x = 1,460,054.63

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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.