Home / 5,483,981.78-7,568,749.10-3,129,184.20

Finding the Fourth Proportional to 5,483,981.78, 7,568,749.10 and 3,129,184.20

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Solution

The fourth proportional to 5,483,981.78, 7,568,749.10 and 3,129,184.20 is: 4,318,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483,981.78 : 7,568,749.10 = 3,129,184.20 : x
  2. Step 2: Convert to fraction form
    5,483,981.78/7,568,749.10 = 3,129,184.20/x
  3. Step 3: Cross multiply
    5,483,981.78x = 7,568,749.10 × 3,129,184.20
  4. Step 4: Simplify right side
    5,483,981.78x = 23,684,010,116,088.95
  5. Step 5: Solve for x
    x = 23,684,010,116,088.95/5,483,981.78
  6. Step 6: Final answer
    x = 4,318,761.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.