Home / 3,685,436.11-5,528,941.40-1,289,358.91

Finding the Fourth Proportional to 3,685,436.11, 5,528,941.40 and 1,289,358.91

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Solution

The fourth proportional to 3,685,436.11, 5,528,941.40 and 1,289,358.91 is: 1,934,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,436.11 : 5,528,941.40 = 1,289,358.91 : x
  2. Step 2: Convert to fraction form
    3,685,436.11/5,528,941.40 = 1,289,358.91/x
  3. Step 3: Cross multiply
    3,685,436.11x = 5,528,941.40 × 1,289,358.91
  4. Step 4: Simplify right side
    3,685,436.11x = 7,128,789,856,957.87
  5. Step 5: Solve for x
    x = 7,128,789,856,957.87/3,685,436.11
  6. Step 6: Final answer
    x = 1,934,313.78

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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.