Home / 3,315,097.20-4,972,682.70-918,962.64

Finding the Fourth Proportional to 3,315,097.20, 4,972,682.70 and 918,962.64

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Solution

The fourth proportional to 3,315,097.20, 4,972,682.70 and 918,962.64 is: 1,378,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,097.20 : 4,972,682.70 = 918,962.64 : x
  2. Step 2: Convert to fraction form
    3,315,097.20/4,972,682.70 = 918,962.64/x
  3. Step 3: Cross multiply
    3,315,097.20x = 4,972,682.70 × 918,962.64
  4. Step 4: Simplify right side
    3,315,097.20x = 4,569,709,621,874.33
  5. Step 5: Solve for x
    x = 4,569,709,621,874.33/3,315,097.20
  6. Step 6: Final answer
    x = 1,378,454.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.