Home / 2,789,386.15-4,182,453.49-1,081,534.25

Finding the Fourth Proportional to 2,789,386.15, 4,182,453.49 and 1,081,534.25

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Solution

The fourth proportional to 2,789,386.15, 4,182,453.49 and 1,081,534.25 is: 1,621,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,386.15 : 4,182,453.49 = 1,081,534.25 : x
  2. Step 2: Convert to fraction form
    2,789,386.15/4,182,453.49 = 1,081,534.25/x
  3. Step 3: Cross multiply
    2,789,386.15x = 4,182,453.49 × 1,081,534.25
  4. Step 4: Simplify right side
    2,789,386.15x = 4,523,466,693,059.36
  5. Step 5: Solve for x
    x = 4,523,466,693,059.36/2,789,386.15
  6. Step 6: Final answer
    x = 1,621,671.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.