Home / 2,257,221.04-3,114,963.36-1,290,372.64

Finding the Fourth Proportional to 2,257,221.04, 3,114,963.36 and 1,290,372.64

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Solution

The fourth proportional to 2,257,221.04, 3,114,963.36 and 1,290,372.64 is: 1,780,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,221.04 : 3,114,963.36 = 1,290,372.64 : x
  2. Step 2: Convert to fraction form
    2,257,221.04/3,114,963.36 = 1,290,372.64/x
  3. Step 3: Cross multiply
    2,257,221.04x = 3,114,963.36 × 1,290,372.64
  4. Step 4: Simplify right side
    2,257,221.04x = 4,019,463,494,346.47
  5. Step 5: Solve for x
    x = 4,019,463,494,346.47/2,257,221.04
  6. Step 6: Final answer
    x = 1,780,713.29

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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.