Home / 3,765,980.94-5,201,287.47-2,916,815.82

Finding the Fourth Proportional to 3,765,980.94, 5,201,287.47 and 2,916,815.82

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Solution

The fourth proportional to 3,765,980.94, 5,201,287.47 and 2,916,815.82 is: 4,028,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,980.94 : 5,201,287.47 = 2,916,815.82 : x
  2. Step 2: Convert to fraction form
    3,765,980.94/5,201,287.47 = 2,916,815.82/x
  3. Step 3: Cross multiply
    3,765,980.94x = 5,201,287.47 × 2,916,815.82
  4. Step 4: Simplify right side
    3,765,980.94x = 15,171,197,576,863.77
  5. Step 5: Solve for x
    x = 15,171,197,576,863.77/3,765,980.94
  6. Step 6: Final answer
    x = 4,028,484.96

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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.