Home / 2,848,767.81-3,931,796.49-1,687,867.68

Finding the Fourth Proportional to 2,848,767.81, 3,931,796.49 and 1,687,867.68

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Solution

The fourth proportional to 2,848,767.81, 3,931,796.49 and 1,687,867.68 is: 2,329,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,767.81 : 3,931,796.49 = 1,687,867.68 : x
  2. Step 2: Convert to fraction form
    2,848,767.81/3,931,796.49 = 1,687,867.68/x
  3. Step 3: Cross multiply
    2,848,767.81x = 3,931,796.49 × 1,687,867.68
  4. Step 4: Simplify right side
    2,848,767.81x = 6,636,352,219,808.44
  5. Step 5: Solve for x
    x = 6,636,352,219,808.44/2,848,767.81
  6. Step 6: Final answer
    x = 2,329,551.81

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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.