Home / 3,209,261.18-4,812,120.29-1,317,331.22

Finding the Fourth Proportional to 3,209,261.18, 4,812,120.29 and 1,317,331.22

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Solution

The fourth proportional to 3,209,261.18, 4,812,120.29 and 1,317,331.22 is: 1,975,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,261.18 : 4,812,120.29 = 1,317,331.22 : x
  2. Step 2: Convert to fraction form
    3,209,261.18/4,812,120.29 = 1,317,331.22/x
  3. Step 3: Cross multiply
    3,209,261.18x = 4,812,120.29 × 1,317,331.22
  4. Step 4: Simplify right side
    3,209,261.18x = 6,339,156,271,645.18
  5. Step 5: Solve for x
    x = 6,339,156,271,645.18/3,209,261.18
  6. Step 6: Final answer
    x = 1,975,269.67

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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.