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Finding the Fourth Proportional to 3,998,182.02, 5,997,173.40 and 1,870,646.64

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Solution

The fourth proportional to 3,998,182.02, 5,997,173.40 and 1,870,646.64 is: 2,805,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,182.02 : 5,997,173.40 = 1,870,646.64 : x
  2. Step 2: Convert to fraction form
    3,998,182.02/5,997,173.40 = 1,870,646.64/x
  3. Step 3: Cross multiply
    3,998,182.02x = 5,997,173.40 × 1,870,646.64
  4. Step 4: Simplify right side
    3,998,182.02x = 11,218,592,270,207.38
  5. Step 5: Solve for x
    x = 11,218,592,270,207.38/3,998,182.02
  6. Step 6: Final answer
    x = 2,805,923.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.