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Finding the Fourth Proportional to 2,596,902.86, 3,913,080.06 and 2,133,958.70

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Solution

The fourth proportional to 2,596,902.86, 3,913,080.06 and 2,133,958.70 is: 3,215,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596,902.86 : 3,913,080.06 = 2,133,958.70 : x
  2. Step 2: Convert to fraction form
    2,596,902.86/3,913,080.06 = 2,133,958.70/x
  3. Step 3: Cross multiply
    2,596,902.86x = 3,913,080.06 × 2,133,958.70
  4. Step 4: Simplify right side
    2,596,902.86x = 8,350,351,237,833.52
  5. Step 5: Solve for x
    x = 8,350,351,237,833.52/2,596,902.86
  6. Step 6: Final answer
    x = 3,215,503.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.