Home / 4,941,405.20-7,412,107.80-2,100,803.60

Finding the Fourth Proportional to 4,941,405.20, 7,412,107.80 and 2,100,803.60

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Solution

The fourth proportional to 4,941,405.20, 7,412,107.80 and 2,100,803.60 is: 3,151,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941,405.20 : 7,412,107.80 = 2,100,803.60 : x
  2. Step 2: Convert to fraction form
    4,941,405.20/7,412,107.80 = 2,100,803.60/x
  3. Step 3: Cross multiply
    4,941,405.20x = 7,412,107.80 × 2,100,803.60
  4. Step 4: Simplify right side
    4,941,405.20x = 15,571,382,749,828.08
  5. Step 5: Solve for x
    x = 15,571,382,749,828.08/4,941,405.20
  6. Step 6: Final answer
    x = 3,151,205.40

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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.