Home / 3,784,087.45-5,672,756.31-1,387,373.59

Finding the Fourth Proportional to 3,784,087.45, 5,672,756.31 and 1,387,373.59

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Solution

The fourth proportional to 3,784,087.45, 5,672,756.31 and 1,387,373.59 is: 2,079,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,087.45 : 5,672,756.31 = 1,387,373.59 : x
  2. Step 2: Convert to fraction form
    3,784,087.45/5,672,756.31 = 1,387,373.59/x
  3. Step 3: Cross multiply
    3,784,087.45x = 5,672,756.31 × 1,387,373.59
  4. Step 4: Simplify right side
    3,784,087.45x = 7,870,232,286,999.85
  5. Step 5: Solve for x
    x = 7,870,232,286,999.85/3,784,087.45
  6. Step 6: Final answer
    x = 2,079,823.05

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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.