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Finding the Fourth Proportional to 3,562,691.16, 4,916,716.86 and 2,113,244.76

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Solution

The fourth proportional to 3,562,691.16, 4,916,716.86 and 2,113,244.76 is: 2,916,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562,691.16 : 4,916,716.86 = 2,113,244.76 : x
  2. Step 2: Convert to fraction form
    3,562,691.16/4,916,716.86 = 2,113,244.76/x
  3. Step 3: Cross multiply
    3,562,691.16x = 4,916,716.86 × 2,113,244.76
  4. Step 4: Simplify right side
    3,562,691.16x = 10,390,226,140,798.65
  5. Step 5: Solve for x
    x = 10,390,226,140,798.65/3,562,691.16
  6. Step 6: Final answer
    x = 2,916,398.22

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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.