Home / 1,961,481.40-2,942,222.10-698,853.40

Finding the Fourth Proportional to 1,961,481.40, 2,942,222.10 and 698,853.40

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Solution

The fourth proportional to 1,961,481.40, 2,942,222.10 and 698,853.40 is: 1,048,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,481.40 : 2,942,222.10 = 698,853.40 : x
  2. Step 2: Convert to fraction form
    1,961,481.40/2,942,222.10 = 698,853.40/x
  3. Step 3: Cross multiply
    1,961,481.40x = 2,942,222.10 × 698,853.40
  4. Step 4: Simplify right side
    1,961,481.40x = 2,056,181,918,140.14
  5. Step 5: Solve for x
    x = 2,056,181,918,140.14/1,961,481.40
  6. Step 6: Final answer
    x = 1,048,280.10

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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.