Home / 3,478,180.72-4,799,884.98-1,929,677.32

Finding the Fourth Proportional to 3,478,180.72, 4,799,884.98 and 1,929,677.32

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Solution

The fourth proportional to 3,478,180.72, 4,799,884.98 and 1,929,677.32 is: 2,662,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,180.72 : 4,799,884.98 = 1,929,677.32 : x
  2. Step 2: Convert to fraction form
    3,478,180.72/4,799,884.98 = 1,929,677.32/x
  3. Step 3: Cross multiply
    3,478,180.72x = 4,799,884.98 × 1,929,677.32
  4. Step 4: Simplify right side
    3,478,180.72x = 9,262,229,184,514.65
  5. Step 5: Solve for x
    x = 9,262,229,184,514.65/3,478,180.72
  6. Step 6: Final answer
    x = 2,662,952.25

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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.