Home / 1,877,087.60-2,815,631.26-865,910.36

Finding the Fourth Proportional to 1,877,087.60, 2,815,631.26 and 865,910.36

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Solution

The fourth proportional to 1,877,087.60, 2,815,631.26 and 865,910.36 is: 1,298,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,087.60 : 2,815,631.26 = 865,910.36 : x
  2. Step 2: Convert to fraction form
    1,877,087.60/2,815,631.26 = 865,910.36/x
  3. Step 3: Cross multiply
    1,877,087.60x = 2,815,631.26 × 865,910.36
  4. Step 4: Simplify right side
    1,877,087.60x = 2,438,084,277,973.85
  5. Step 5: Solve for x
    x = 2,438,084,277,973.85/1,877,087.60
  6. Step 6: Final answer
    x = 1,298,865.48

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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.