Home / 5,431,743.70-8,147,615.55-2,065,513.30

Finding the Fourth Proportional to 5,431,743.70, 8,147,615.55 and 2,065,513.30

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Solution

The fourth proportional to 5,431,743.70, 8,147,615.55 and 2,065,513.30 is: 3,098,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,743.70 : 8,147,615.55 = 2,065,513.30 : x
  2. Step 2: Convert to fraction form
    5,431,743.70/8,147,615.55 = 2,065,513.30/x
  3. Step 3: Cross multiply
    5,431,743.70x = 8,147,615.55 × 2,065,513.30
  4. Step 4: Simplify right side
    5,431,743.70x = 16,829,008,281,811.81
  5. Step 5: Solve for x
    x = 16,829,008,281,811.81/5,431,743.70
  6. Step 6: Final answer
    x = 3,098,269.95

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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.