Home / 2,043,640.30-3,065,460.45-978,133.90

Finding the Fourth Proportional to 2,043,640.30, 3,065,460.45 and 978,133.90

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Solution

The fourth proportional to 2,043,640.30, 3,065,460.45 and 978,133.90 is: 1,467,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,640.30 : 3,065,460.45 = 978,133.90 : x
  2. Step 2: Convert to fraction form
    2,043,640.30/3,065,460.45 = 978,133.90/x
  3. Step 3: Cross multiply
    2,043,640.30x = 3,065,460.45 × 978,133.90
  4. Step 4: Simplify right side
    2,043,640.30x = 2,998,430,785,254.26
  5. Step 5: Solve for x
    x = 2,998,430,785,254.26/2,043,640.30
  6. Step 6: Final answer
    x = 1,467,200.85

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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.