Home / 5,106,085.60-7,659,128.40-3,115,429.60

Finding the Fourth Proportional to 5,106,085.60, 7,659,128.40 and 3,115,429.60

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Solution

The fourth proportional to 5,106,085.60, 7,659,128.40 and 3,115,429.60 is: 4,673,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,085.60 : 7,659,128.40 = 3,115,429.60 : x
  2. Step 2: Convert to fraction form
    5,106,085.60/7,659,128.40 = 3,115,429.60/x
  3. Step 3: Cross multiply
    5,106,085.60x = 7,659,128.40 × 3,115,429.60
  4. Step 4: Simplify right side
    5,106,085.60x = 23,861,475,327,560.64
  5. Step 5: Solve for x
    x = 23,861,475,327,560.64/5,106,085.60
  6. Step 6: Final answer
    x = 4,673,144.40

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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.