Home / 3,553,171.90-4,903,391.90-1,921,579.23

Finding the Fourth Proportional to 3,553,171.90, 4,903,391.90 and 1,921,579.23

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Solution

The fourth proportional to 3,553,171.90, 4,903,391.90 and 1,921,579.23 is: 2,651,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,171.90 : 4,903,391.90 = 1,921,579.23 : x
  2. Step 2: Convert to fraction form
    3,553,171.90/4,903,391.90 = 1,921,579.23/x
  3. Step 3: Cross multiply
    3,553,171.90x = 4,903,391.90 × 1,921,579.23
  4. Step 4: Simplify right side
    3,553,171.90x = 9,422,256,031,590.24
  5. Step 5: Solve for x
    x = 9,422,256,031,590.24/3,553,171.90
  6. Step 6: Final answer
    x = 2,651,787.28

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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.