Home / 1,918,092.28-2,646,961.80-1,058,646.40

Finding the Fourth Proportional to 1,918,092.28, 2,646,961.80 and 1,058,646.40

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Solution

The fourth proportional to 1,918,092.28, 2,646,961.80 and 1,058,646.40 is: 1,460,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,092.28 : 2,646,961.80 = 1,058,646.40 : x
  2. Step 2: Convert to fraction form
    1,918,092.28/2,646,961.80 = 1,058,646.40/x
  3. Step 3: Cross multiply
    1,918,092.28x = 2,646,961.80 × 1,058,646.40
  4. Step 4: Simplify right side
    1,918,092.28x = 2,802,196,580,507.52
  5. Step 5: Solve for x
    x = 2,802,196,580,507.52/1,918,092.28
  6. Step 6: Final answer
    x = 1,460,928.97

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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.