Home / 4,914,948.53-7,372,416.44-1,320,715.52

Finding the Fourth Proportional to 4,914,948.53, 7,372,416.44 and 1,320,715.52

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Solution

The fourth proportional to 4,914,948.53, 7,372,416.44 and 1,320,715.52 is: 1,981,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,948.53 : 7,372,416.44 = 1,320,715.52 : x
  2. Step 2: Convert to fraction form
    4,914,948.53/7,372,416.44 = 1,320,715.52/x
  3. Step 3: Cross multiply
    4,914,948.53x = 7,372,416.44 × 1,320,715.52
  4. Step 4: Simplify right side
    4,914,948.53x = 9,736,864,778,650.85
  5. Step 5: Solve for x
    x = 9,736,864,778,650.85/4,914,948.53
  6. Step 6: Final answer
    x = 1,981,071.57

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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.