Home / 3,943,475.21-5,442,012.18-2,132,639.21

Finding the Fourth Proportional to 3,943,475.21, 5,442,012.18 and 2,132,639.21

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Solution

The fourth proportional to 3,943,475.21, 5,442,012.18 and 2,132,639.21 is: 2,943,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,475.21 : 5,442,012.18 = 2,132,639.21 : x
  2. Step 2: Convert to fraction form
    3,943,475.21/5,442,012.18 = 2,132,639.21/x
  3. Step 3: Cross multiply
    3,943,475.21x = 5,442,012.18 × 2,132,639.21
  4. Step 4: Simplify right side
    3,943,475.21x = 11,605,848,529,155.52
  5. Step 5: Solve for x
    x = 11,605,848,529,155.52/3,943,475.21
  6. Step 6: Final answer
    x = 2,943,050.97

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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.