Home / 1,807,702.71-2,494,628.78-991,911.75

Finding the Fourth Proportional to 1,807,702.71, 2,494,628.78 and 991,911.75

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Solution

The fourth proportional to 1,807,702.71, 2,494,628.78 and 991,911.75 is: 1,368,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,702.71 : 2,494,628.78 = 991,911.75 : x
  2. Step 2: Convert to fraction form
    1,807,702.71/2,494,628.78 = 991,911.75/x
  3. Step 3: Cross multiply
    1,807,702.71x = 2,494,628.78 × 991,911.75
  4. Step 4: Simplify right side
    1,807,702.71x = 2,474,451,593,810.61
  5. Step 5: Solve for x
    x = 2,474,451,593,810.61/1,807,702.71
  6. Step 6: Final answer
    x = 1,368,837.69

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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.