Home / 3,113,072.20-4,669,608.30-869,206.60

Finding the Fourth Proportional to 3,113,072.20, 4,669,608.30 and 869,206.60

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Solution

The fourth proportional to 3,113,072.20, 4,669,608.30 and 869,206.60 is: 1,303,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,072.20 : 4,669,608.30 = 869,206.60 : x
  2. Step 2: Convert to fraction form
    3,113,072.20/4,669,608.30 = 869,206.60/x
  3. Step 3: Cross multiply
    3,113,072.20x = 4,669,608.30 × 869,206.60
  4. Step 4: Simplify right side
    3,113,072.20x = 4,058,854,353,774.78
  5. Step 5: Solve for x
    x = 4,058,854,353,774.78/3,113,072.20
  6. Step 6: Final answer
    x = 1,303,809.90

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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.