Home / 2,218,981.57-3,062,164.80-1,238,935.66

Finding the Fourth Proportional to 2,218,981.57, 3,062,164.80 and 1,238,935.66

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Solution

The fourth proportional to 2,218,981.57, 3,062,164.80 and 1,238,935.66 is: 1,709,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,981.57 : 3,062,164.80 = 1,238,935.66 : x
  2. Step 2: Convert to fraction form
    2,218,981.57/3,062,164.80 = 1,238,935.66/x
  3. Step 3: Cross multiply
    2,218,981.57x = 3,062,164.80 × 1,238,935.66
  4. Step 4: Simplify right side
    2,218,981.57x = 3,793,825,152,205.94
  5. Step 5: Solve for x
    x = 3,793,825,152,205.94/2,218,981.57
  6. Step 6: Final answer
    x = 1,709,714.58

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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.