Home / 3,238,908.85-4,855,475.76-1,640,649.25

Finding the Fourth Proportional to 3,238,908.85, 4,855,475.76 and 1,640,649.25

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Solution

The fourth proportional to 3,238,908.85, 4,855,475.76 and 1,640,649.25 is: 2,459,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,908.85 : 4,855,475.76 = 1,640,649.25 : x
  2. Step 2: Convert to fraction form
    3,238,908.85/4,855,475.76 = 1,640,649.25/x
  3. Step 3: Cross multiply
    3,238,908.85x = 4,855,475.76 × 1,640,649.25
  4. Step 4: Simplify right side
    3,238,908.85x = 7,966,132,664,037.18
  5. Step 5: Solve for x
    x = 7,966,132,664,037.18/3,238,908.85
  6. Step 6: Final answer
    x = 2,459,511.22

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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.