Home / 3,259,620.39-4,890,431.76-1,555,937.67

Finding the Fourth Proportional to 3,259,620.39, 4,890,431.76 and 1,555,937.67

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Solution

The fourth proportional to 3,259,620.39, 4,890,431.76 and 1,555,937.67 is: 2,334,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,620.39 : 4,890,431.76 = 1,555,937.67 : x
  2. Step 2: Convert to fraction form
    3,259,620.39/4,890,431.76 = 1,555,937.67/x
  3. Step 3: Cross multiply
    3,259,620.39x = 4,890,431.76 × 1,555,937.67
  4. Step 4: Simplify right side
    3,259,620.39x = 7,609,206,997,948.40
  5. Step 5: Solve for x
    x = 7,609,206,997,948.40/3,259,620.39
  6. Step 6: Final answer
    x = 2,334,384.40

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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.