Home / 3,207,388.90-4,426,196.44-1,918,229.26

Finding the Fourth Proportional to 3,207,388.90, 4,426,196.44 and 1,918,229.26

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Solution

The fourth proportional to 3,207,388.90, 4,426,196.44 and 1,918,229.26 is: 2,647,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,388.90 : 4,426,196.44 = 1,918,229.26 : x
  2. Step 2: Convert to fraction form
    3,207,388.90/4,426,196.44 = 1,918,229.26/x
  3. Step 3: Cross multiply
    3,207,388.90x = 4,426,196.44 × 1,918,229.26
  4. Step 4: Simplify right side
    3,207,388.90x = 8,490,459,521,715.84
  5. Step 5: Solve for x
    x = 8,490,459,521,715.84/3,207,388.90
  6. Step 6: Final answer
    x = 2,647,156.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.