Home / 3,131,546.60-4,697,146.54-856,907.72

Finding the Fourth Proportional to 3,131,546.60, 4,697,146.54 and 856,907.72

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Solution

The fourth proportional to 3,131,546.60, 4,697,146.54 and 856,907.72 is: 1,285,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,546.60 : 4,697,146.54 = 856,907.72 : x
  2. Step 2: Convert to fraction form
    3,131,546.60/4,697,146.54 = 856,907.72/x
  3. Step 3: Cross multiply
    3,131,546.60x = 4,697,146.54 × 856,907.72
  4. Step 4: Simplify right side
    3,131,546.60x = 4,025,021,132,097.29
  5. Step 5: Solve for x
    x = 4,025,021,132,097.29/3,131,546.60
  6. Step 6: Final answer
    x = 1,285,314.14

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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.