Home / 5,450,379.28-8,176,835.40-1,856,177.44

Finding the Fourth Proportional to 5,450,379.28, 8,176,835.40 and 1,856,177.44

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Solution

The fourth proportional to 5,450,379.28, 8,176,835.40 and 1,856,177.44 is: 2,784,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,379.28 : 8,176,835.40 = 1,856,177.44 : x
  2. Step 2: Convert to fraction form
    5,450,379.28/8,176,835.40 = 1,856,177.44/x
  3. Step 3: Cross multiply
    5,450,379.28x = 8,176,835.40 × 1,856,177.44
  4. Step 4: Simplify right side
    5,450,379.28x = 15,177,657,400,073.38
  5. Step 5: Solve for x
    x = 15,177,657,400,073.38/5,450,379.28
  6. Step 6: Final answer
    x = 2,784,697.47

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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.