Home / 1,883,837.70-2,805,808.64-1,874,660.40

Finding the Fourth Proportional to 1,883,837.70, 2,805,808.64 and 1,874,660.40

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Solution

The fourth proportional to 1,883,837.70, 2,805,808.64 and 1,874,660.40 is: 2,792,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,837.70 : 2,805,808.64 = 1,874,660.40 : x
  2. Step 2: Convert to fraction form
    1,883,837.70/2,805,808.64 = 1,874,660.40/x
  3. Step 3: Cross multiply
    1,883,837.70x = 2,805,808.64 × 1,874,660.40
  4. Step 4: Simplify right side
    1,883,837.70x = 5,259,938,338,012.55
  5. Step 5: Solve for x
    x = 5,259,938,338,012.55/1,883,837.70
  6. Step 6: Final answer
    x = 2,792,139.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.