Home / 5,391,903.69-8,085,606.98-2,194,859.61

Finding the Fourth Proportional to 5,391,903.69, 8,085,606.98 and 2,194,859.61

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Solution

The fourth proportional to 5,391,903.69, 8,085,606.98 and 2,194,859.61 is: 3,291,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,903.69 : 8,085,606.98 = 2,194,859.61 : x
  2. Step 2: Convert to fraction form
    5,391,903.69/8,085,606.98 = 2,194,859.61/x
  3. Step 3: Cross multiply
    5,391,903.69x = 8,085,606.98 × 2,194,859.61
  4. Step 4: Simplify right side
    5,391,903.69x = 17,746,772,171,761.78
  5. Step 5: Solve for x
    x = 17,746,772,171,761.78/5,391,903.69
  6. Step 6: Final answer
    x = 3,291,374.10

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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.