Home / 3,689,715.78-5,535,375.57-1,130,940.36

Finding the Fourth Proportional to 3,689,715.78, 5,535,375.57 and 1,130,940.36

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Solution

The fourth proportional to 3,689,715.78, 5,535,375.57 and 1,130,940.36 is: 1,696,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,715.78 : 5,535,375.57 = 1,130,940.36 : x
  2. Step 2: Convert to fraction form
    3,689,715.78/5,535,375.57 = 1,130,940.36/x
  3. Step 3: Cross multiply
    3,689,715.78x = 5,535,375.57 × 1,130,940.36
  4. Step 4: Simplify right side
    3,689,715.78x = 6,260,179,639,871.01
  5. Step 5: Solve for x
    x = 6,260,179,639,871.01/3,689,715.78
  6. Step 6: Final answer
    x = 1,696,656.33

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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.