Home / 4,219,195.28-6,328,967.64-1,227,379.28

Finding the Fourth Proportional to 4,219,195.28, 6,328,967.64 and 1,227,379.28

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Solution

The fourth proportional to 4,219,195.28, 6,328,967.64 and 1,227,379.28 is: 1,841,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219,195.28 : 6,328,967.64 = 1,227,379.28 : x
  2. Step 2: Convert to fraction form
    4,219,195.28/6,328,967.64 = 1,227,379.28/x
  3. Step 3: Cross multiply
    4,219,195.28x = 6,328,967.64 × 1,227,379.28
  4. Step 4: Simplify right side
    4,219,195.28x = 7,768,043,745,126.50
  5. Step 5: Solve for x
    x = 7,768,043,745,126.50/4,219,195.28
  6. Step 6: Final answer
    x = 1,841,119.75

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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.