Home / 3,315,110.64-4,972,173.68-918,705.44

Finding the Fourth Proportional to 3,315,110.64, 4,972,173.68 and 918,705.44

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Solution

The fourth proportional to 3,315,110.64, 4,972,173.68 and 918,705.44 is: 1,377,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,110.64 : 4,972,173.68 = 918,705.44 : x
  2. Step 2: Convert to fraction form
    3,315,110.64/4,972,173.68 = 918,705.44/x
  3. Step 3: Cross multiply
    3,315,110.64x = 4,972,173.68 × 918,705.44
  4. Step 4: Simplify right side
    3,315,110.64x = 4,567,963,008,440.82
  5. Step 5: Solve for x
    x = 4,567,963,008,440.82/3,315,110.64
  6. Step 6: Final answer
    x = 1,377,921.74

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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.