Home / 1,918,091.28-2,646,960.42-1,058,645.40

Finding the Fourth Proportional to 1,918,091.28, 2,646,960.42 and 1,058,645.40

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Solution

The fourth proportional to 1,918,091.28, 2,646,960.42 and 1,058,645.40 is: 1,460,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,091.28 : 2,646,960.42 = 1,058,645.40 : x
  2. Step 2: Convert to fraction form
    1,918,091.28/2,646,960.42 = 1,058,645.40/x
  3. Step 3: Cross multiply
    1,918,091.28x = 2,646,960.42 × 1,058,645.40
  4. Step 4: Simplify right side
    1,918,091.28x = 2,802,192,472,615.07
  5. Step 5: Solve for x
    x = 2,802,192,472,615.07/1,918,091.28
  6. Step 6: Final answer
    x = 1,460,927.59

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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.