Home / 4,992,710.78-6,889,873.91-2,787,607.49

Finding the Fourth Proportional to 4,992,710.78, 6,889,873.91 and 2,787,607.49

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Solution

The fourth proportional to 4,992,710.78, 6,889,873.91 and 2,787,607.49 is: 3,846,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,710.78 : 6,889,873.91 = 2,787,607.49 : x
  2. Step 2: Convert to fraction form
    4,992,710.78/6,889,873.91 = 2,787,607.49/x
  3. Step 3: Cross multiply
    4,992,710.78x = 6,889,873.91 × 2,787,607.49
  4. Step 4: Simplify right side
    4,992,710.78x = 19,206,264,068,284.18
  5. Step 5: Solve for x
    x = 19,206,264,068,284.18/4,992,710.78
  6. Step 6: Final answer
    x = 3,846,860.93

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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.