Home / 4,992,986.97-6,890,254.79-2,787,884.01

Finding the Fourth Proportional to 4,992,986.97, 6,890,254.79 and 2,787,884.01

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Solution

The fourth proportional to 4,992,986.97, 6,890,254.79 and 2,787,884.01 is: 3,847,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,986.97 : 6,890,254.79 = 2,787,884.01 : x
  2. Step 2: Convert to fraction form
    4,992,986.97/6,890,254.79 = 2,787,884.01/x
  3. Step 3: Cross multiply
    4,992,986.97x = 6,890,254.79 × 2,787,884.01
  4. Step 4: Simplify right side
    4,992,986.97x = 19,209,231,139,927.49
  5. Step 5: Solve for x
    x = 19,209,231,139,927.49/4,992,986.97
  6. Step 6: Final answer
    x = 3,847,242.39

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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.