Home / 3,685,370-5,528,819.64-1,555,471.76

Finding the Fourth Proportional to 3,685,370, 5,528,819.64 and 1,555,471.76

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Solution

The fourth proportional to 3,685,370, 5,528,819.64 and 1,555,471.76 is: 2,333,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,370 : 5,528,819.64 = 1,555,471.76 : x
  2. Step 2: Convert to fraction form
    3,685,370/5,528,819.64 = 1,555,471.76/x
  3. Step 3: Cross multiply
    3,685,370x = 5,528,819.64 × 1,555,471.76
  4. Step 4: Simplify right side
    3,685,370x = 8,599,922,816,153.37
  5. Step 5: Solve for x
    x = 8,599,922,816,153.37/3,685,370
  6. Step 6: Final answer
    x = 2,333,530.37

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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.