Home / 1,868,906.58-2,801,047.08-1,328,301.48

Finding the Fourth Proportional to 1,868,906.58, 2,801,047.08 and 1,328,301.48

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Solution

The fourth proportional to 1,868,906.58, 2,801,047.08 and 1,328,301.48 is: 1,990,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,906.58 : 2,801,047.08 = 1,328,301.48 : x
  2. Step 2: Convert to fraction form
    1,868,906.58/2,801,047.08 = 1,328,301.48/x
  3. Step 3: Cross multiply
    1,868,906.58x = 2,801,047.08 × 1,328,301.48
  4. Step 4: Simplify right side
    1,868,906.58x = 3,720,634,981,913.68
  5. Step 5: Solve for x
    x = 3,720,634,981,913.68/1,868,906.58
  6. Step 6: Final answer
    x = 1,990,808.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.