Home / 3,105,801.20-4,661,326.20-1,213,900.40

Finding the Fourth Proportional to 3,105,801.20, 4,661,326.20 and 1,213,900.40

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Solution

The fourth proportional to 3,105,801.20, 4,661,326.20 and 1,213,900.40 is: 1,821,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,801.20 : 4,661,326.20 = 1,213,900.40 : x
  2. Step 2: Convert to fraction form
    3,105,801.20/4,661,326.20 = 1,213,900.40/x
  3. Step 3: Cross multiply
    3,105,801.20x = 4,661,326.20 × 1,213,900.40
  4. Step 4: Simplify right side
    3,105,801.20x = 5,658,385,738,710.48
  5. Step 5: Solve for x
    x = 5,658,385,738,710.48/3,105,801.20
  6. Step 6: Final answer
    x = 1,821,876.35

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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.