Home / 3,889,043.94-5,366,880.74-2,146,713.69

Finding the Fourth Proportional to 3,889,043.94, 5,366,880.74 and 2,146,713.69

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Solution

The fourth proportional to 3,889,043.94, 5,366,880.74 and 2,146,713.69 is: 2,962,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,043.94 : 5,366,880.74 = 2,146,713.69 : x
  2. Step 2: Convert to fraction form
    3,889,043.94/5,366,880.74 = 2,146,713.69/x
  3. Step 3: Cross multiply
    3,889,043.94x = 5,366,880.74 × 2,146,713.69
  4. Step 4: Simplify right side
    3,889,043.94x = 11,521,156,362,522.11
  5. Step 5: Solve for x
    x = 11,521,156,362,522.11/3,889,043.94
  6. Step 6: Final answer
    x = 2,962,464.95

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Double scale
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1.5x scale

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.