Home / 1,878,951.56-2,818,778.46-854,357.09

Finding the Fourth Proportional to 1,878,951.56, 2,818,778.46 and 854,357.09

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Solution

The fourth proportional to 1,878,951.56, 2,818,778.46 and 854,357.09 is: 1,281,695.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,951.56 : 2,818,778.46 = 854,357.09 : x
  2. Step 2: Convert to fraction form
    1,878,951.56/2,818,778.46 = 854,357.09/x
  3. Step 3: Cross multiply
    1,878,951.56x = 2,818,778.46 × 854,357.09
  4. Step 4: Simplify right side
    1,878,951.56x = 2,408,243,362,440.28
  5. Step 5: Solve for x
    x = 2,408,243,362,440.28/1,878,951.56
  6. Step 6: Final answer
    x = 1,281,695.29

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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.