Home / 4,137,112.80-6,205,669.20-1,297,220.40

Finding the Fourth Proportional to 4,137,112.80, 6,205,669.20 and 1,297,220.40

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Solution

The fourth proportional to 4,137,112.80, 6,205,669.20 and 1,297,220.40 is: 1,945,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137,112.80 : 6,205,669.20 = 1,297,220.40 : x
  2. Step 2: Convert to fraction form
    4,137,112.80/6,205,669.20 = 1,297,220.40/x
  3. Step 3: Cross multiply
    4,137,112.80x = 6,205,669.20 × 1,297,220.40
  4. Step 4: Simplify right side
    4,137,112.80x = 8,050,120,681,891.68
  5. Step 5: Solve for x
    x = 8,050,120,681,891.68/4,137,112.80
  6. Step 6: Final answer
    x = 1,945,830.60

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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.