Home / 3,128,623.75-4,317,500.78-1,697,839.75

Finding the Fourth Proportional to 3,128,623.75, 4,317,500.78 and 1,697,839.75

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Solution

The fourth proportional to 3,128,623.75, 4,317,500.78 and 1,697,839.75 is: 2,343,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,623.75 : 4,317,500.78 = 1,697,839.75 : x
  2. Step 2: Convert to fraction form
    3,128,623.75/4,317,500.78 = 1,697,839.75/x
  3. Step 3: Cross multiply
    3,128,623.75x = 4,317,500.78 × 1,697,839.75
  4. Step 4: Simplify right side
    3,128,623.75x = 7,330,424,444,940.01
  5. Step 5: Solve for x
    x = 7,330,424,444,940.01/3,128,623.75
  6. Step 6: Final answer
    x = 2,343,018.86

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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.