Home / 5,409,501.67-8,115,769.48-2,173,311.83

Finding the Fourth Proportional to 5,409,501.67, 8,115,769.48 and 2,173,311.83

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Solution

The fourth proportional to 5,409,501.67, 8,115,769.48 and 2,173,311.83 is: 3,260,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409,501.67 : 8,115,769.48 = 2,173,311.83 : x
  2. Step 2: Convert to fraction form
    5,409,501.67/8,115,769.48 = 2,173,311.83/x
  3. Step 3: Cross multiply
    5,409,501.67x = 8,115,769.48 × 2,173,311.83
  4. Step 4: Simplify right side
    5,409,501.67x = 17,638,097,820,436.95
  5. Step 5: Solve for x
    x = 17,638,097,820,436.95/5,409,501.67
  6. Step 6: Final answer
    x = 3,260,577.20

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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.