Home / 1,905,729.57-2,635,079.78-1,874,928.41

Finding the Fourth Proportional to 1,905,729.57, 2,635,079.78 and 1,874,928.41

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Solution

The fourth proportional to 1,905,729.57, 2,635,079.78 and 1,874,928.41 is: 2,592,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,729.57 : 2,635,079.78 = 1,874,928.41 : x
  2. Step 2: Convert to fraction form
    1,905,729.57/2,635,079.78 = 1,874,928.41/x
  3. Step 3: Cross multiply
    1,905,729.57x = 2,635,079.78 × 1,874,928.41
  4. Step 4: Simplify right side
    1,905,729.57x = 4,940,585,919,588.51
  5. Step 5: Solve for x
    x = 4,940,585,919,588.51/1,905,729.57
  6. Step 6: Final answer
    x = 2,592,490.57

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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.