Home / 3,940,483.02-5,437,797.75-2,221,604.70

Finding the Fourth Proportional to 3,940,483.02, 5,437,797.75 and 2,221,604.70

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Solution

The fourth proportional to 3,940,483.02, 5,437,797.75 and 2,221,604.70 is: 3,065,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,483.02 : 5,437,797.75 = 2,221,604.70 : x
  2. Step 2: Convert to fraction form
    3,940,483.02/5,437,797.75 = 2,221,604.70/x
  3. Step 3: Cross multiply
    3,940,483.02x = 5,437,797.75 × 2,221,604.70
  4. Step 4: Simplify right side
    3,940,483.02x = 12,080,637,039,049.43
  5. Step 5: Solve for x
    x = 12,080,637,039,049.43/3,940,483.02
  6. Step 6: Final answer
    x = 3,065,775.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.