Home / 1,805,435.22-2,490,047.84-1,587,177.22

Finding the Fourth Proportional to 1,805,435.22, 2,490,047.84 and 1,587,177.22

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Solution

The fourth proportional to 1,805,435.22, 2,490,047.84 and 1,587,177.22 is: 2,189,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,435.22 : 2,490,047.84 = 1,587,177.22 : x
  2. Step 2: Convert to fraction form
    1,805,435.22/2,490,047.84 = 1,587,177.22/x
  3. Step 3: Cross multiply
    1,805,435.22x = 2,490,047.84 × 1,587,177.22
  4. Step 4: Simplify right side
    1,805,435.22x = 3,952,147,200,422.32
  5. Step 5: Solve for x
    x = 3,952,147,200,422.32/1,805,435.22
  6. Step 6: Final answer
    x = 2,189,027.43

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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.