Home / 2,290,811.44-3,162,901.32-1,431,757.84

Finding the Fourth Proportional to 2,290,811.44, 3,162,901.32 and 1,431,757.84

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Solution

The fourth proportional to 2,290,811.44, 3,162,901.32 and 1,431,757.84 is: 1,976,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,811.44 : 3,162,901.32 = 1,431,757.84 : x
  2. Step 2: Convert to fraction form
    2,290,811.44/3,162,901.32 = 1,431,757.84/x
  3. Step 3: Cross multiply
    2,290,811.44x = 3,162,901.32 × 1,431,757.84
  4. Step 4: Simplify right side
    2,290,811.44x = 4,528,508,762,056.35
  5. Step 5: Solve for x
    x = 4,528,508,762,056.35/2,290,811.44
  6. Step 6: Final answer
    x = 1,976,814.28

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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.