Home / 3,159,640.83-4,360,286.39-1,709,332.05

Finding the Fourth Proportional to 3,159,640.83, 4,360,286.39 and 1,709,332.05

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Solution

The fourth proportional to 3,159,640.83, 4,360,286.39 and 1,709,332.05 is: 2,358,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,640.83 : 4,360,286.39 = 1,709,332.05 : x
  2. Step 2: Convert to fraction form
    3,159,640.83/4,360,286.39 = 1,709,332.05/x
  3. Step 3: Cross multiply
    3,159,640.83x = 4,360,286.39 × 1,709,332.05
  4. Step 4: Simplify right side
    3,159,640.83x = 7,453,177,265,059.14
  5. Step 5: Solve for x
    x = 7,453,177,265,059.14/3,159,640.83
  6. Step 6: Final answer
    x = 2,358,868.51

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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.