Home / 6,872,579.48-9,483,606.58-3,972,158.21

Finding the Fourth Proportional to 6,872,579.48, 9,483,606.58 and 3,972,158.21

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Solution

The fourth proportional to 6,872,579.48, 9,483,606.58 and 3,972,158.21 is: 5,481,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,579.48 : 9,483,606.58 = 3,972,158.21 : x
  2. Step 2: Convert to fraction form
    6,872,579.48/9,483,606.58 = 3,972,158.21/x
  3. Step 3: Cross multiply
    6,872,579.48x = 9,483,606.58 × 3,972,158.21
  4. Step 4: Simplify right side
    6,872,579.48x = 37,670,385,737,157.02
  5. Step 5: Solve for x
    x = 37,670,385,737,157.02/6,872,579.48
  6. Step 6: Final answer
    x = 5,481,258.65

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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.