Home / 3,940,482.77-5,437,797.41-2,221,604.45

Finding the Fourth Proportional to 3,940,482.77, 5,437,797.41 and 2,221,604.45

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Solution

The fourth proportional to 3,940,482.77, 5,437,797.41 and 2,221,604.45 is: 3,065,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,482.77 : 5,437,797.41 = 2,221,604.45 : x
  2. Step 2: Convert to fraction form
    3,940,482.77/5,437,797.41 = 2,221,604.45/x
  3. Step 3: Cross multiply
    3,940,482.77x = 5,437,797.41 × 2,221,604.45
  4. Step 4: Simplify right side
    3,940,482.77x = 12,080,634,913,146.45
  5. Step 5: Solve for x
    x = 12,080,634,913,146.45/3,940,482.77
  6. Step 6: Final answer
    x = 3,065,775.34

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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.