Home / 3,240,019.80-4,860,029.70-1,245,475.80

Finding the Fourth Proportional to 3,240,019.80, 4,860,029.70 and 1,245,475.80

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Solution

The fourth proportional to 3,240,019.80, 4,860,029.70 and 1,245,475.80 is: 1,868,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,019.80 : 4,860,029.70 = 1,245,475.80 : x
  2. Step 2: Convert to fraction form
    3,240,019.80/4,860,029.70 = 1,245,475.80/x
  3. Step 3: Cross multiply
    3,240,019.80x = 4,860,029.70 × 1,245,475.80
  4. Step 4: Simplify right side
    3,240,019.80x = 6,053,049,378,631.26
  5. Step 5: Solve for x
    x = 6,053,049,378,631.26/3,240,019.80
  6. Step 6: Final answer
    x = 1,868,213.70

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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.