Home / 5,717,982.14-7,890,815.40-3,139,662.91

Finding the Fourth Proportional to 5,717,982.14, 7,890,815.40 and 3,139,662.91

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Solution

The fourth proportional to 5,717,982.14, 7,890,815.40 and 3,139,662.91 is: 4,332,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717,982.14 : 7,890,815.40 = 3,139,662.91 : x
  2. Step 2: Convert to fraction form
    5,717,982.14/7,890,815.40 = 3,139,662.91/x
  3. Step 3: Cross multiply
    5,717,982.14x = 7,890,815.40 × 3,139,662.91
  4. Step 4: Simplify right side
    5,717,982.14x = 24,774,500,401,582.74
  5. Step 5: Solve for x
    x = 24,774,500,401,582.74/5,717,982.14
  6. Step 6: Final answer
    x = 4,332,734.83

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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.