Home / 1,991,696.64-2,987,545.60-662,000.64

Finding the Fourth Proportional to 1,991,696.64, 2,987,545.60 and 662,000.64

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Solution

The fourth proportional to 1,991,696.64, 2,987,545.60 and 662,000.64 is: 993,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,696.64 : 2,987,545.60 = 662,000.64 : x
  2. Step 2: Convert to fraction form
    1,991,696.64/2,987,545.60 = 662,000.64/x
  3. Step 3: Cross multiply
    1,991,696.64x = 2,987,545.60 × 662,000.64
  4. Step 4: Simplify right side
    1,991,696.64x = 1,977,757,099,229.18
  5. Step 5: Solve for x
    x = 1,977,757,099,229.18/1,991,696.64
  6. Step 6: Final answer
    x = 993,001.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.