Home / 2,709,749.30-4,064,625.77-688,144.82

Finding the Fourth Proportional to 2,709,749.30, 4,064,625.77 and 688,144.82

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Solution

The fourth proportional to 2,709,749.30, 4,064,625.77 and 688,144.82 is: 1,032,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,749.30 : 4,064,625.77 = 688,144.82 : x
  2. Step 2: Convert to fraction form
    2,709,749.30/4,064,625.77 = 688,144.82/x
  3. Step 3: Cross multiply
    2,709,749.30x = 4,064,625.77 × 688,144.82
  4. Step 4: Simplify right side
    2,709,749.30x = 2,797,051,145,100.16
  5. Step 5: Solve for x
    x = 2,797,051,145,100.16/2,709,749.30
  6. Step 6: Final answer
    x = 1,032,217.69

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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.