Home / 3,904,071.76-5,387,617.56-2,185,191.82

Finding the Fourth Proportional to 3,904,071.76, 5,387,617.56 and 2,185,191.82

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Solution

The fourth proportional to 3,904,071.76, 5,387,617.56 and 2,185,191.82 is: 3,015,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,071.76 : 5,387,617.56 = 2,185,191.82 : x
  2. Step 2: Convert to fraction form
    3,904,071.76/5,387,617.56 = 2,185,191.82/x
  3. Step 3: Cross multiply
    3,904,071.76x = 5,387,617.56 × 2,185,191.82
  4. Step 4: Simplify right side
    3,904,071.76x = 11,772,977,821,400.36
  5. Step 5: Solve for x
    x = 11,772,977,821,400.36/3,904,071.76
  6. Step 6: Final answer
    x = 3,015,563.89

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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.