Home / 2,665,438.79-3,678,305.94-1,441,743.77

Finding the Fourth Proportional to 2,665,438.79, 3,678,305.94 and 1,441,743.77

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Solution

The fourth proportional to 2,665,438.79, 3,678,305.94 and 1,441,743.77 is: 1,989,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,438.79 : 3,678,305.94 = 1,441,743.77 : x
  2. Step 2: Convert to fraction form
    2,665,438.79/3,678,305.94 = 1,441,743.77/x
  3. Step 3: Cross multiply
    2,665,438.79x = 3,678,305.94 × 1,441,743.77
  4. Step 4: Simplify right side
    2,665,438.79x = 5,303,174,686,399.66
  5. Step 5: Solve for x
    x = 5,303,174,686,399.66/2,665,438.79
  6. Step 6: Final answer
    x = 1,989,606.63

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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.