Home / 5,151,141.45-7,108,602.66-3,218,522.76

Finding the Fourth Proportional to 5,151,141.45, 7,108,602.66 and 3,218,522.76

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Solution

The fourth proportional to 5,151,141.45, 7,108,602.66 and 3,218,522.76 is: 4,441,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,141.45 : 7,108,602.66 = 3,218,522.76 : x
  2. Step 2: Convert to fraction form
    5,151,141.45/7,108,602.66 = 3,218,522.76/x
  3. Step 3: Cross multiply
    5,151,141.45x = 7,108,602.66 × 3,218,522.76
  4. Step 4: Simplify right side
    5,151,141.45x = 22,879,199,453,006.54
  5. Step 5: Solve for x
    x = 22,879,199,453,006.54/5,151,141.45
  6. Step 6: Final answer
    x = 4,441,578.57

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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.