Home / 3,240,103.80-4,860,155.70-965,623.80

Finding the Fourth Proportional to 3,240,103.80, 4,860,155.70 and 965,623.80

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Solution

The fourth proportional to 3,240,103.80, 4,860,155.70 and 965,623.80 is: 1,448,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,103.80 : 4,860,155.70 = 965,623.80 : x
  2. Step 2: Convert to fraction form
    3,240,103.80/4,860,155.70 = 965,623.80/x
  3. Step 3: Cross multiply
    3,240,103.80x = 4,860,155.70 × 965,623.80
  4. Step 4: Simplify right side
    3,240,103.80x = 4,693,082,015,625.66
  5. Step 5: Solve for x
    x = 4,693,082,015,625.66/3,240,103.80
  6. Step 6: Final answer
    x = 1,448,435.70

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1.5x scale

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.