Home / 2,149,223.64-2,965,953.08-1,231,434.38

Finding the Fourth Proportional to 2,149,223.64, 2,965,953.08 and 1,231,434.38

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Solution

The fourth proportional to 2,149,223.64, 2,965,953.08 and 1,231,434.38 is: 1,699,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,223.64 : 2,965,953.08 = 1,231,434.38 : x
  2. Step 2: Convert to fraction form
    2,149,223.64/2,965,953.08 = 1,231,434.38/x
  3. Step 3: Cross multiply
    2,149,223.64x = 2,965,953.08 × 1,231,434.38
  4. Step 4: Simplify right side
    2,149,223.64x = 3,652,376,580,427.71
  5. Step 5: Solve for x
    x = 3,652,376,580,427.71/2,149,223.64
  6. Step 6: Final answer
    x = 1,699,393.45

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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.