Home / 2,256,421.71-3,113,843.79-1,223,926.92

Finding the Fourth Proportional to 2,256,421.71, 3,113,843.79 and 1,223,926.92

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Solution

The fourth proportional to 2,256,421.71, 3,113,843.79 and 1,223,926.92 is: 1,689,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,421.71 : 3,113,843.79 = 1,223,926.92 : x
  2. Step 2: Convert to fraction form
    2,256,421.71/3,113,843.79 = 1,223,926.92/x
  3. Step 3: Cross multiply
    2,256,421.71x = 3,113,843.79 × 1,223,926.92
  4. Step 4: Simplify right side
    2,256,421.71x = 3,811,117,239,255.83
  5. Step 5: Solve for x
    x = 3,811,117,239,255.83/2,256,421.71
  6. Step 6: Final answer
    x = 1,689,009.29

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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.