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Finding the Fourth Proportional to 3,607,902.71, 4,977,018.10 and 2,230,806.22

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Solution

The fourth proportional to 3,607,902.71, 4,977,018.10 and 2,230,806.22 is: 3,077,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,902.71 : 4,977,018.10 = 2,230,806.22 : x
  2. Step 2: Convert to fraction form
    3,607,902.71/4,977,018.10 = 2,230,806.22/x
  3. Step 3: Cross multiply
    3,607,902.71x = 4,977,018.10 × 2,230,806.22
  4. Step 4: Simplify right side
    3,607,902.71x = 11,102,762,955,340.65
  5. Step 5: Solve for x
    x = 11,102,762,955,340.65/3,607,902.71
  6. Step 6: Final answer
    x = 3,077,345.44

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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.