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Finding the Fourth Proportional to 2,994,978, 4,133,069.46 and 1,636,851

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Solution

The fourth proportional to 2,994,978, 4,133,069.46 and 1,636,851 is: 2,258,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994,978 : 4,133,069.46 = 1,636,851 : x
  2. Step 2: Convert to fraction form
    2,994,978/4,133,069.46 = 1,636,851/x
  3. Step 3: Cross multiply
    2,994,978x = 4,133,069.46 × 1,636,851
  4. Step 4: Simplify right side
    2,994,978x = 6,765,218,878,670.46
  5. Step 5: Solve for x
    x = 6,765,218,878,670.46/2,994,978
  6. Step 6: Final answer
    x = 2,258,854.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.