Home / 6,971,946.81-9,621,520.24-3,874,600.71

Finding the Fourth Proportional to 6,971,946.81, 9,621,520.24 and 3,874,600.71

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Solution

The fourth proportional to 6,971,946.81, 9,621,520.24 and 3,874,600.71 is: 5,347,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971,946.81 : 9,621,520.24 = 3,874,600.71 : x
  2. Step 2: Convert to fraction form
    6,971,946.81/9,621,520.24 = 3,874,600.71/x
  3. Step 3: Cross multiply
    6,971,946.81x = 9,621,520.24 × 3,874,600.71
  4. Step 4: Simplify right side
    6,971,946.81x = 37,279,549,153,183.37
  5. Step 5: Solve for x
    x = 37,279,549,153,183.37/6,971,946.81
  6. Step 6: Final answer
    x = 5,347,078.82

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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.