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Finding the Fourth Proportional to 3,577,978.02, 4,937,605.84 and 1,946,381.54

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Solution

The fourth proportional to 3,577,978.02, 4,937,605.84 and 1,946,381.54 is: 2,686,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577,978.02 : 4,937,605.84 = 1,946,381.54 : x
  2. Step 2: Convert to fraction form
    3,577,978.02/4,937,605.84 = 1,946,381.54/x
  3. Step 3: Cross multiply
    3,577,978.02x = 4,937,605.84 × 1,946,381.54
  4. Step 4: Simplify right side
    3,577,978.02x = 9,610,464,858,772.19
  5. Step 5: Solve for x
    x = 9,610,464,858,772.19/3,577,978.02
  6. Step 6: Final answer
    x = 2,686,004.44

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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.