Home / 4,879,728.02-7,321,121.74-2,936,576.84

Finding the Fourth Proportional to 4,879,728.02, 7,321,121.74 and 2,936,576.84

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Solution

The fourth proportional to 4,879,728.02, 7,321,121.74 and 2,936,576.84 is: 4,405,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879,728.02 : 7,321,121.74 = 2,936,576.84 : x
  2. Step 2: Convert to fraction form
    4,879,728.02/7,321,121.74 = 2,936,576.84/x
  3. Step 3: Cross multiply
    4,879,728.02x = 7,321,121.74 × 2,936,576.84
  4. Step 4: Simplify right side
    4,879,728.02x = 21,499,036,525,937.71
  5. Step 5: Solve for x
    x = 21,499,036,525,937.71/4,879,728.02
  6. Step 6: Final answer
    x = 4,405,785.82

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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.