Home / 5,285,880.18-7,928,143.92-1,691,346.42

Finding the Fourth Proportional to 5,285,880.18, 7,928,143.92 and 1,691,346.42

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Solution

The fourth proportional to 5,285,880.18, 7,928,143.92 and 1,691,346.42 is: 2,536,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,880.18 : 7,928,143.92 = 1,691,346.42 : x
  2. Step 2: Convert to fraction form
    5,285,880.18/7,928,143.92 = 1,691,346.42/x
  3. Step 3: Cross multiply
    5,285,880.18x = 7,928,143.92 × 1,691,346.42
  4. Step 4: Simplify right side
    5,285,880.18x = 13,409,237,836,336.77
  5. Step 5: Solve for x
    x = 13,409,237,836,336.77/5,285,880.18
  6. Step 6: Final answer
    x = 2,536,803.22

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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.