Home / 5,127,890.94-7,078,668.40-3,195,106.46

Finding the Fourth Proportional to 5,127,890.94, 7,078,668.40 and 3,195,106.46

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Solution

The fourth proportional to 5,127,890.94, 7,078,668.40 and 3,195,106.46 is: 4,410,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,890.94 : 7,078,668.40 = 3,195,106.46 : x
  2. Step 2: Convert to fraction form
    5,127,890.94/7,078,668.40 = 3,195,106.46/x
  3. Step 3: Cross multiply
    5,127,890.94x = 7,078,668.40 × 3,195,106.46
  4. Step 4: Simplify right side
    5,127,890.94x = 22,617,099,133,037.86
  5. Step 5: Solve for x
    x = 22,617,099,133,037.86/5,127,890.94
  6. Step 6: Final answer
    x = 4,410,604.55

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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.