Home / 6,420,206.30-9,631,735.05-2,160,254.30

Finding the Fourth Proportional to 6,420,206.30, 9,631,735.05 and 2,160,254.30

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Solution

The fourth proportional to 6,420,206.30, 9,631,735.05 and 2,160,254.30 is: 3,240,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,206.30 : 9,631,735.05 = 2,160,254.30 : x
  2. Step 2: Convert to fraction form
    6,420,206.30/9,631,735.05 = 2,160,254.30/x
  3. Step 3: Cross multiply
    6,420,206.30x = 9,631,735.05 × 2,160,254.30
  4. Step 4: Simplify right side
    6,420,206.30x = 20,806,997,058,223.21
  5. Step 5: Solve for x
    x = 20,806,997,058,223.21/6,420,206.30
  6. Step 6: Final answer
    x = 3,240,861.13

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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.