Home / 3,920,915.73-5,860,352.04-3,535,785.03

Finding the Fourth Proportional to 3,920,915.73, 5,860,352.04 and 3,535,785.03

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Solution

The fourth proportional to 3,920,915.73, 5,860,352.04 and 3,535,785.03 is: 5,284,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,915.73 : 5,860,352.04 = 3,535,785.03 : x
  2. Step 2: Convert to fraction form
    3,920,915.73/5,860,352.04 = 3,535,785.03/x
  3. Step 3: Cross multiply
    3,920,915.73x = 5,860,352.04 × 3,535,785.03
  4. Step 4: Simplify right side
    3,920,915.73x = 20,720,945,013,561.96
  5. Step 5: Solve for x
    x = 20,720,945,013,561.96/3,920,915.73
  6. Step 6: Final answer
    x = 5,284,720.83

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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.