Home / 3,553,378.62-4,903,662.48-1,921,785.96

Finding the Fourth Proportional to 3,553,378.62, 4,903,662.48 and 1,921,785.96

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Solution

The fourth proportional to 3,553,378.62, 4,903,662.48 and 1,921,785.96 is: 2,652,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,378.62 : 4,903,662.48 = 1,921,785.96 : x
  2. Step 2: Convert to fraction form
    3,553,378.62/4,903,662.48 = 1,921,785.96/x
  3. Step 3: Cross multiply
    3,553,378.62x = 4,903,662.48 × 1,921,785.96
  4. Step 4: Simplify right side
    3,553,378.62x = 9,423,789,706,642.78
  5. Step 5: Solve for x
    x = 9,423,789,706,642.78/3,553,378.62
  6. Step 6: Final answer
    x = 2,652,064.62

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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.