Home / 2,591,805.48-3,887,445.72-698,738.28

Finding the Fourth Proportional to 2,591,805.48, 3,887,445.72 and 698,738.28

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Solution

The fourth proportional to 2,591,805.48, 3,887,445.72 and 698,738.28 is: 1,048,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,805.48 : 3,887,445.72 = 698,738.28 : x
  2. Step 2: Convert to fraction form
    2,591,805.48/3,887,445.72 = 698,738.28/x
  3. Step 3: Cross multiply
    2,591,805.48x = 3,887,445.72 × 698,738.28
  4. Step 4: Simplify right side
    2,591,805.48x = 2,716,307,135,986.16
  5. Step 5: Solve for x
    x = 2,716,307,135,986.16/2,591,805.48
  6. Step 6: Final answer
    x = 1,048,036.65

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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.