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Finding the Fourth Proportional to 2,899,774.02, 4,002,001.77 and 1,754,485.86

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Solution

The fourth proportional to 2,899,774.02, 4,002,001.77 and 1,754,485.86 is: 2,421,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,774.02 : 4,002,001.77 = 1,754,485.86 : x
  2. Step 2: Convert to fraction form
    2,899,774.02/4,002,001.77 = 1,754,485.86/x
  3. Step 3: Cross multiply
    2,899,774.02x = 4,002,001.77 × 1,754,485.86
  4. Step 4: Simplify right side
    2,899,774.02x = 7,021,455,517,159.97
  5. Step 5: Solve for x
    x = 7,021,455,517,159.97/2,899,774.02
  6. Step 6: Final answer
    x = 2,421,380.24

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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.