Home / 3,105,387.06-4,285,333.62-1,728,685.77

Finding the Fourth Proportional to 3,105,387.06, 4,285,333.62 and 1,728,685.77

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Solution

The fourth proportional to 3,105,387.06, 4,285,333.62 and 1,728,685.77 is: 2,385,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,387.06 : 4,285,333.62 = 1,728,685.77 : x
  2. Step 2: Convert to fraction form
    3,105,387.06/4,285,333.62 = 1,728,685.77/x
  3. Step 3: Cross multiply
    3,105,387.06x = 4,285,333.62 × 1,728,685.77
  4. Step 4: Simplify right side
    3,105,387.06x = 7,407,995,248,596.59
  5. Step 5: Solve for x
    x = 7,407,995,248,596.59/3,105,387.06
  6. Step 6: Final answer
    x = 2,385,530.40

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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.