Home / 5,282,824.35-7,290,324.50-2,991,431.55

Finding the Fourth Proportional to 5,282,824.35, 7,290,324.50 and 2,991,431.55

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Solution

The fourth proportional to 5,282,824.35, 7,290,324.50 and 2,991,431.55 is: 4,128,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,824.35 : 7,290,324.50 = 2,991,431.55 : x
  2. Step 2: Convert to fraction form
    5,282,824.35/7,290,324.50 = 2,991,431.55/x
  3. Step 3: Cross multiply
    5,282,824.35x = 7,290,324.50 × 2,991,431.55
  4. Step 4: Simplify right side
    5,282,824.35x = 21,808,506,719,037.97
  5. Step 5: Solve for x
    x = 21,808,506,719,037.97/5,282,824.35
  6. Step 6: Final answer
    x = 4,128,190.77

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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.