Home / 3,757,661-5,185,420.90-2,038,715.72

Finding the Fourth Proportional to 3,757,661, 5,185,420.90 and 2,038,715.72

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Solution

The fourth proportional to 3,757,661, 5,185,420.90 and 2,038,715.72 is: 2,813,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757,661 : 5,185,420.90 = 2,038,715.72 : x
  2. Step 2: Convert to fraction form
    3,757,661/5,185,420.90 = 2,038,715.72/x
  3. Step 3: Cross multiply
    3,757,661x = 5,185,420.90 × 2,038,715.72
  4. Step 4: Simplify right side
    3,757,661x = 10,571,599,103,646.55
  5. Step 5: Solve for x
    x = 10,571,599,103,646.55/3,757,661
  6. Step 6: Final answer
    x = 2,813,345.62

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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.