Home / 3,969,649.76-5,956,442.16-1,573,441.28

Finding the Fourth Proportional to 3,969,649.76, 5,956,442.16 and 1,573,441.28

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Solution

The fourth proportional to 3,969,649.76, 5,956,442.16 and 1,573,441.28 is: 2,360,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,649.76 : 5,956,442.16 = 1,573,441.28 : x
  2. Step 2: Convert to fraction form
    3,969,649.76/5,956,442.16 = 1,573,441.28/x
  3. Step 3: Cross multiply
    3,969,649.76x = 5,956,442.16 × 1,573,441.28
  4. Step 4: Simplify right side
    3,969,649.76x = 9,372,111,976,476.37
  5. Step 5: Solve for x
    x = 9,372,111,976,476.37/3,969,649.76
  6. Step 6: Final answer
    x = 2,360,941.78

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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.