Home / 4,961,118.72-6,847,948.80-3,215,708.16

Finding the Fourth Proportional to 4,961,118.72, 6,847,948.80 and 3,215,708.16

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Solution

The fourth proportional to 4,961,118.72, 6,847,948.80 and 3,215,708.16 is: 4,438,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961,118.72 : 6,847,948.80 = 3,215,708.16 : x
  2. Step 2: Convert to fraction form
    4,961,118.72/6,847,948.80 = 3,215,708.16/x
  3. Step 3: Cross multiply
    4,961,118.72x = 6,847,948.80 × 3,215,708.16
  4. Step 4: Simplify right side
    4,961,118.72x = 22,021,004,835,422.21
  5. Step 5: Solve for x
    x = 22,021,004,835,422.21/4,961,118.72
  6. Step 6: Final answer
    x = 4,438,717.57

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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.