Home / 2,009,618.40-3,014,427.60-1,212,456.90

Finding the Fourth Proportional to 2,009,618.40, 3,014,427.60 and 1,212,456.90

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Solution

The fourth proportional to 2,009,618.40, 3,014,427.60 and 1,212,456.90 is: 1,818,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,618.40 : 3,014,427.60 = 1,212,456.90 : x
  2. Step 2: Convert to fraction form
    2,009,618.40/3,014,427.60 = 1,212,456.90/x
  3. Step 3: Cross multiply
    2,009,618.40x = 3,014,427.60 × 1,212,456.90
  4. Step 4: Simplify right side
    2,009,618.40x = 3,654,863,543,170.44
  5. Step 5: Solve for x
    x = 3,654,863,543,170.44/2,009,618.40
  6. Step 6: Final answer
    x = 1,818,685.35

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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.