Home / 2,912,556.70-4,369,871.85-2,808,876.70

Finding the Fourth Proportional to 2,912,556.70, 4,369,871.85 and 2,808,876.70

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Solution

The fourth proportional to 2,912,556.70, 4,369,871.85 and 2,808,876.70 is: 4,214,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,556.70 : 4,369,871.85 = 2,808,876.70 : x
  2. Step 2: Convert to fraction form
    2,912,556.70/4,369,871.85 = 2,808,876.70/x
  3. Step 3: Cross multiply
    2,912,556.70x = 4,369,871.85 × 2,808,876.70
  4. Step 4: Simplify right side
    2,912,556.70x = 12,274,431,221,450.89
  5. Step 5: Solve for x
    x = 12,274,431,221,450.89/2,912,556.70
  6. Step 6: Final answer
    x = 4,214,314.94

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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.