Home / 6,919,071.21-10,379,599.25-2,127,162.87

Finding the Fourth Proportional to 6,919,071.21, 10,379,599.25 and 2,127,162.87

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Solution

The fourth proportional to 6,919,071.21, 10,379,599.25 and 2,127,162.87 is: 3,191,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919,071.21 : 10,379,599.25 = 2,127,162.87 : x
  2. Step 2: Convert to fraction form
    6,919,071.21/10,379,599.25 = 2,127,162.87/x
  3. Step 3: Cross multiply
    6,919,071.21x = 10,379,599.25 × 2,127,162.87
  4. Step 4: Simplify right side
    6,919,071.21x = 22,079,098,119,444.03
  5. Step 5: Solve for x
    x = 22,079,098,119,444.03/6,919,071.21
  6. Step 6: Final answer
    x = 3,191,049.41

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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.