Home / 2,545,164.80-3,512,329.60-1,399,264.64

Finding the Fourth Proportional to 2,545,164.80, 3,512,329.60 and 1,399,264.64

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Solution

The fourth proportional to 2,545,164.80, 3,512,329.60 and 1,399,264.64 is: 1,930,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,164.80 : 3,512,329.60 = 1,399,264.64 : x
  2. Step 2: Convert to fraction form
    2,545,164.80/3,512,329.60 = 1,399,264.64/x
  3. Step 3: Cross multiply
    2,545,164.80x = 3,512,329.60 × 1,399,264.64
  4. Step 4: Simplify right side
    2,545,164.80x = 4,914,678,613,305.34
  5. Step 5: Solve for x
    x = 4,914,678,613,305.34/2,545,164.80
  6. Step 6: Final answer
    x = 1,930,986.40

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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.