Home / 3,112,747.50-4,297,590.36-1,952,783.76

Finding the Fourth Proportional to 3,112,747.50, 4,297,590.36 and 1,952,783.76

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Solution

The fourth proportional to 3,112,747.50, 4,297,590.36 and 1,952,783.76 is: 2,696,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,747.50 : 4,297,590.36 = 1,952,783.76 : x
  2. Step 2: Convert to fraction form
    3,112,747.50/4,297,590.36 = 1,952,783.76/x
  3. Step 3: Cross multiply
    3,112,747.50x = 4,297,590.36 × 1,952,783.76
  4. Step 4: Simplify right side
    3,112,747.50x = 8,392,264,662,140.56
  5. Step 5: Solve for x
    x = 8,392,264,662,140.56/3,112,747.50
  6. Step 6: Final answer
    x = 2,696,095.54

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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.