Home / 1,520,915.13-2,096,626.78-1,157,706.37

Finding the Fourth Proportional to 1,520,915.13, 2,096,626.78 and 1,157,706.37

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Solution

The fourth proportional to 1,520,915.13, 2,096,626.78 and 1,157,706.37 is: 1,595,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,915.13 : 2,096,626.78 = 1,157,706.37 : x
  2. Step 2: Convert to fraction form
    1,520,915.13/2,096,626.78 = 1,157,706.37/x
  3. Step 3: Cross multiply
    1,520,915.13x = 2,096,626.78 × 1,157,706.37
  4. Step 4: Simplify right side
    1,520,915.13x = 2,427,278,182,786.51
  5. Step 5: Solve for x
    x = 2,427,278,182,786.51/1,520,915.13
  6. Step 6: Final answer
    x = 1,595,932.70

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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.