Home / 5,639,478.20-8,458,796.78-1,801,706.10

Finding the Fourth Proportional to 5,639,478.20, 8,458,796.78 and 1,801,706.10

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Solution

The fourth proportional to 5,639,478.20, 8,458,796.78 and 1,801,706.10 is: 2,702,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,478.20 : 8,458,796.78 = 1,801,706.10 : x
  2. Step 2: Convert to fraction form
    5,639,478.20/8,458,796.78 = 1,801,706.10/x
  3. Step 3: Cross multiply
    5,639,478.20x = 8,458,796.78 × 1,801,706.10
  4. Step 4: Simplify right side
    5,639,478.20x = 15,240,265,757,186.36
  5. Step 5: Solve for x
    x = 15,240,265,757,186.36/5,639,478.20
  6. Step 6: Final answer
    x = 2,702,424.80

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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.