Home / 2,251,424.34-3,106,967.60-1,218,932.87

Finding the Fourth Proportional to 2,251,424.34, 3,106,967.60 and 1,218,932.87

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Solution

The fourth proportional to 2,251,424.34, 3,106,967.60 and 1,218,932.87 is: 1,682,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,424.34 : 3,106,967.60 = 1,218,932.87 : x
  2. Step 2: Convert to fraction form
    2,251,424.34/3,106,967.60 = 1,218,932.87/x
  3. Step 3: Cross multiply
    2,251,424.34x = 3,106,967.60 × 1,218,932.87
  4. Step 4: Simplify right side
    2,251,424.34x = 3,787,184,921,177.51
  5. Step 5: Solve for x
    x = 3,787,184,921,177.51/2,251,424.34
  6. Step 6: Final answer
    x = 1,682,128.44

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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.