Home / 4,131,015.80-6,196,523.70-1,291,123.40

Finding the Fourth Proportional to 4,131,015.80, 6,196,523.70 and 1,291,123.40

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Solution

The fourth proportional to 4,131,015.80, 6,196,523.70 and 1,291,123.40 is: 1,936,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131,015.80 : 6,196,523.70 = 1,291,123.40 : x
  2. Step 2: Convert to fraction form
    4,131,015.80/6,196,523.70 = 1,291,123.40/x
  3. Step 3: Cross multiply
    4,131,015.80x = 6,196,523.70 × 1,291,123.40
  4. Step 4: Simplify right side
    4,131,015.80x = 8,000,476,747,724.58
  5. Step 5: Solve for x
    x = 8,000,476,747,724.58/4,131,015.80
  6. Step 6: Final answer
    x = 1,936,685.10

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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.