Home / 2,148,019.86-2,964,165.93-1,181,190.90

Finding the Fourth Proportional to 2,148,019.86, 2,964,165.93 and 1,181,190.90

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Solution

The fourth proportional to 2,148,019.86, 2,964,165.93 and 1,181,190.90 is: 1,629,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,019.86 : 2,964,165.93 = 1,181,190.90 : x
  2. Step 2: Convert to fraction form
    2,148,019.86/2,964,165.93 = 1,181,190.90/x
  3. Step 3: Cross multiply
    2,148,019.86x = 2,964,165.93 × 1,181,190.90
  4. Step 4: Simplify right side
    2,148,019.86x = 3,501,245,822,606.04
  5. Step 5: Solve for x
    x = 3,501,245,822,606.04/2,148,019.86
  6. Step 6: Final answer
    x = 1,629,987.64

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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.