Home / 1,544,939.21-2,131,941.81-856,639.04

Finding the Fourth Proportional to 1,544,939.21, 2,131,941.81 and 856,639.04

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Solution

The fourth proportional to 1,544,939.21, 2,131,941.81 and 856,639.04 is: 1,182,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,939.21 : 2,131,941.81 = 856,639.04 : x
  2. Step 2: Convert to fraction form
    1,544,939.21/2,131,941.81 = 856,639.04/x
  3. Step 3: Cross multiply
    1,544,939.21x = 2,131,941.81 × 856,639.04
  4. Step 4: Simplify right side
    1,544,939.21x = 1,826,304,574,794.55
  5. Step 5: Solve for x
    x = 1,826,304,574,794.55/1,544,939.21
  6. Step 6: Final answer
    x = 1,182,120.67

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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.