Home / 1,675,356.31-2,494,085.81-1,665,391.87

Finding the Fourth Proportional to 1,675,356.31, 2,494,085.81 and 1,665,391.87

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Solution

The fourth proportional to 1,675,356.31, 2,494,085.81 and 1,665,391.87 is: 2,479,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,356.31 : 2,494,085.81 = 1,665,391.87 : x
  2. Step 2: Convert to fraction form
    1,675,356.31/2,494,085.81 = 1,665,391.87/x
  3. Step 3: Cross multiply
    1,675,356.31x = 2,494,085.81 × 1,665,391.87
  4. Step 4: Simplify right side
    1,675,356.31x = 4,153,630,231,056.37
  5. Step 5: Solve for x
    x = 4,153,630,231,056.37/1,675,356.31
  6. Step 6: Final answer
    x = 2,479,251.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.