Home / 2,155,871.32-3,232,183.14-1,302,761.56

Finding the Fourth Proportional to 2,155,871.32, 3,232,183.14 and 1,302,761.56

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Solution

The fourth proportional to 2,155,871.32, 3,232,183.14 and 1,302,761.56 is: 1,953,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,871.32 : 3,232,183.14 = 1,302,761.56 : x
  2. Step 2: Convert to fraction form
    2,155,871.32/3,232,183.14 = 1,302,761.56/x
  3. Step 3: Cross multiply
    2,155,871.32x = 3,232,183.14 × 1,302,761.56
  4. Step 4: Simplify right side
    2,155,871.32x = 4,210,763,949,672.10
  5. Step 5: Solve for x
    x = 4,210,763,949,672.10/2,155,871.32
  6. Step 6: Final answer
    x = 1,953,161.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.