Home / 3,208,600.71-4,813,507.98-1,289,661.30

Finding the Fourth Proportional to 3,208,600.71, 4,813,507.98 and 1,289,661.30

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Solution

The fourth proportional to 3,208,600.71, 4,813,507.98 and 1,289,661.30 is: 1,934,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,600.71 : 4,813,507.98 = 1,289,661.30 : x
  2. Step 2: Convert to fraction form
    3,208,600.71/4,813,507.98 = 1,289,661.30/x
  3. Step 3: Cross multiply
    3,208,600.71x = 4,813,507.98 × 1,289,661.30
  4. Step 4: Simplify right side
    3,208,600.71x = 6,207,794,959,047.18
  5. Step 5: Solve for x
    x = 6,207,794,959,047.18/3,208,600.71
  6. Step 6: Final answer
    x = 1,934,735.89

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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.