Home / 3,478,182.22-4,799,887.05-1,929,678.82

Finding the Fourth Proportional to 3,478,182.22, 4,799,887.05 and 1,929,678.82

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Solution

The fourth proportional to 3,478,182.22, 4,799,887.05 and 1,929,678.82 is: 2,662,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,182.22 : 4,799,887.05 = 1,929,678.82 : x
  2. Step 2: Convert to fraction form
    3,478,182.22/4,799,887.05 = 1,929,678.82/x
  3. Step 3: Cross multiply
    3,478,182.22x = 4,799,887.05 × 1,929,678.82
  4. Step 4: Simplify right side
    3,478,182.22x = 9,262,240,378,777.28
  5. Step 5: Solve for x
    x = 9,262,240,378,777.28/3,478,182.22
  6. Step 6: Final answer
    x = 2,662,954.32

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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.