Home / 5,979,072.60-8,944,989.30-5,189,128.20

Finding the Fourth Proportional to 5,979,072.60, 8,944,989.30 and 5,189,128.20

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Solution

The fourth proportional to 5,979,072.60, 8,944,989.30 and 5,189,128.20 is: 7,763,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,072.60 : 8,944,989.30 = 5,189,128.20 : x
  2. Step 2: Convert to fraction form
    5,979,072.60/8,944,989.30 = 5,189,128.20/x
  3. Step 3: Cross multiply
    5,979,072.60x = 8,944,989.30 × 5,189,128.20
  4. Step 4: Simplify right side
    5,979,072.60x = 46,416,696,225,328.27
  5. Step 5: Solve for x
    x = 46,416,696,225,328.27/5,979,072.60
  6. Step 6: Final answer
    x = 7,763,193.28

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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.