Home / 1,908,148.47-2,633,308.29-1,123,072.08

Finding the Fourth Proportional to 1,908,148.47, 2,633,308.29 and 1,123,072.08

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Solution

The fourth proportional to 1,908,148.47, 2,633,308.29 and 1,123,072.08 is: 1,549,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,148.47 : 2,633,308.29 = 1,123,072.08 : x
  2. Step 2: Convert to fraction form
    1,908,148.47/2,633,308.29 = 1,123,072.08/x
  3. Step 3: Cross multiply
    1,908,148.47x = 2,633,308.29 × 1,123,072.08
  4. Step 4: Simplify right side
    1,908,148.47x = 2,957,395,027,087.08
  5. Step 5: Solve for x
    x = 2,957,395,027,087.08/1,908,148.47
  6. Step 6: Final answer
    x = 1,549,876.79

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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.