Home / 5,660,842.16-7,812,089.20-3,213,222.64

Finding the Fourth Proportional to 5,660,842.16, 7,812,089.20 and 3,213,222.64

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Solution

The fourth proportional to 5,660,842.16, 7,812,089.20 and 3,213,222.64 is: 4,434,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660,842.16 : 7,812,089.20 = 3,213,222.64 : x
  2. Step 2: Convert to fraction form
    5,660,842.16/7,812,089.20 = 3,213,222.64/x
  3. Step 3: Cross multiply
    5,660,842.16x = 7,812,089.20 × 3,213,222.64
  4. Step 4: Simplify right side
    5,660,842.16x = 25,101,981,883,139.49
  5. Step 5: Solve for x
    x = 25,101,981,883,139.49/5,660,842.16
  6. Step 6: Final answer
    x = 4,434,319.34

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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.