Home / 2,540,471.63-3,505,854.40-1,378,918.16

Finding the Fourth Proportional to 2,540,471.63, 3,505,854.40 and 1,378,918.16

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Solution

The fourth proportional to 2,540,471.63, 3,505,854.40 and 1,378,918.16 is: 1,902,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,471.63 : 3,505,854.40 = 1,378,918.16 : x
  2. Step 2: Convert to fraction form
    2,540,471.63/3,505,854.40 = 1,378,918.16/x
  3. Step 3: Cross multiply
    2,540,471.63x = 3,505,854.40 × 1,378,918.16
  4. Step 4: Simplify right side
    2,540,471.63x = 4,834,286,288,542.49
  5. Step 5: Solve for x
    x = 4,834,286,288,542.49/2,540,471.63
  6. Step 6: Final answer
    x = 1,902,908.98

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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.