Home / 5,741,688.51-8,612,246.48-2,147,191.20

Finding the Fourth Proportional to 5,741,688.51, 8,612,246.48 and 2,147,191.20

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Solution

The fourth proportional to 5,741,688.51, 8,612,246.48 and 2,147,191.20 is: 3,220,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741,688.51 : 8,612,246.48 = 2,147,191.20 : x
  2. Step 2: Convert to fraction form
    5,741,688.51/8,612,246.48 = 2,147,191.20/x
  3. Step 3: Cross multiply
    5,741,688.51x = 8,612,246.48 × 2,147,191.20
  4. Step 4: Simplify right side
    5,741,688.51x = 18,492,139,843,351.02
  5. Step 5: Solve for x
    x = 18,492,139,843,351.02/5,741,688.51
  6. Step 6: Final answer
    x = 3,220,679.74

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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.