Home / 2,340,320.40-3,510,480.60-919,645.20

Finding the Fourth Proportional to 2,340,320.40, 3,510,480.60 and 919,645.20

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Solution

The fourth proportional to 2,340,320.40, 3,510,480.60 and 919,645.20 is: 1,379,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340,320.40 : 3,510,480.60 = 919,645.20 : x
  2. Step 2: Convert to fraction form
    2,340,320.40/3,510,480.60 = 919,645.20/x
  3. Step 3: Cross multiply
    2,340,320.40x = 3,510,480.60 × 919,645.20
  4. Step 4: Simplify right side
    2,340,320.40x = 3,228,396,633,483.12
  5. Step 5: Solve for x
    x = 3,228,396,633,483.12/2,340,320.40
  6. Step 6: Final answer
    x = 1,379,467.80

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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.