Home / 1,857,764.70-2,787,165.45-911,166.30

Finding the Fourth Proportional to 1,857,764.70, 2,787,165.45 and 911,166.30

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Solution

The fourth proportional to 1,857,764.70, 2,787,165.45 and 911,166.30 is: 1,367,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,764.70 : 2,787,165.45 = 911,166.30 : x
  2. Step 2: Convert to fraction form
    1,857,764.70/2,787,165.45 = 911,166.30/x
  3. Step 3: Cross multiply
    1,857,764.70x = 2,787,165.45 × 911,166.30
  4. Step 4: Simplify right side
    1,857,764.70x = 2,539,571,230,564.34
  5. Step 5: Solve for x
    x = 2,539,571,230,564.34/1,857,764.70
  6. Step 6: Final answer
    x = 1,367,003.71

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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.