Home / 5,191,055.42-7,783,924.89-2,763,587.66

Finding the Fourth Proportional to 5,191,055.42, 7,783,924.89 and 2,763,587.66

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Solution

The fourth proportional to 5,191,055.42, 7,783,924.89 and 2,763,587.66 is: 4,143,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,055.42 : 7,783,924.89 = 2,763,587.66 : x
  2. Step 2: Convert to fraction form
    5,191,055.42/7,783,924.89 = 2,763,587.66/x
  3. Step 3: Cross multiply
    5,191,055.42x = 7,783,924.89 × 2,763,587.66
  4. Step 4: Simplify right side
    5,191,055.42x = 21,511,558,772,370.86
  5. Step 5: Solve for x
    x = 21,511,558,772,370.86/5,191,055.42
  6. Step 6: Final answer
    x = 4,143,966.31

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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.