Home / 3,776,605.24-5,213,685.78-2,947,899.64

Finding the Fourth Proportional to 3,776,605.24, 5,213,685.78 and 2,947,899.64

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Solution

The fourth proportional to 3,776,605.24, 5,213,685.78 and 2,947,899.64 is: 4,069,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,605.24 : 5,213,685.78 = 2,947,899.64 : x
  2. Step 2: Convert to fraction form
    3,776,605.24/5,213,685.78 = 2,947,899.64/x
  3. Step 3: Cross multiply
    3,776,605.24x = 5,213,685.78 × 2,947,899.64
  4. Step 4: Simplify right side
    3,776,605.24x = 15,369,422,433,935.12
  5. Step 5: Solve for x
    x = 15,369,422,433,935.12/3,776,605.24
  6. Step 6: Final answer
    x = 4,069,639.65

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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.