Home / 3,211,939.29-4,816,383.39-1,864,515.18

Finding the Fourth Proportional to 3,211,939.29, 4,816,383.39 and 1,864,515.18

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Solution

The fourth proportional to 3,211,939.29, 4,816,383.39 and 1,864,515.18 is: 2,795,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,939.29 : 4,816,383.39 = 1,864,515.18 : x
  2. Step 2: Convert to fraction form
    3,211,939.29/4,816,383.39 = 1,864,515.18/x
  3. Step 3: Cross multiply
    3,211,939.29x = 4,816,383.39 × 1,864,515.18
  4. Step 4: Simplify right side
    3,211,939.29x = 8,980,219,943,354.86
  5. Step 5: Solve for x
    x = 8,980,219,943,354.86/3,211,939.29
  6. Step 6: Final answer
    x = 2,795,887.20

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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.