Home / 3,181,235.80-4,771,853.70-1,664,332.60

Finding the Fourth Proportional to 3,181,235.80, 4,771,853.70 and 1,664,332.60

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Solution

The fourth proportional to 3,181,235.80, 4,771,853.70 and 1,664,332.60 is: 2,496,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,235.80 : 4,771,853.70 = 1,664,332.60 : x
  2. Step 2: Convert to fraction form
    3,181,235.80/4,771,853.70 = 1,664,332.60/x
  3. Step 3: Cross multiply
    3,181,235.80x = 4,771,853.70 × 1,664,332.60
  4. Step 4: Simplify right side
    3,181,235.80x = 7,941,951,675,340.62
  5. Step 5: Solve for x
    x = 7,941,951,675,340.62/3,181,235.80
  6. Step 6: Final answer
    x = 2,496,498.90

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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.