Home / 6,158,520.80-8,498,415.25-3,405,042.84

Finding the Fourth Proportional to 6,158,520.80, 8,498,415.25 and 3,405,042.84

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Solution

The fourth proportional to 6,158,520.80, 8,498,415.25 and 3,405,042.84 is: 4,698,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158,520.80 : 8,498,415.25 = 3,405,042.84 : x
  2. Step 2: Convert to fraction form
    6,158,520.80/8,498,415.25 = 3,405,042.84/x
  3. Step 3: Cross multiply
    6,158,520.80x = 8,498,415.25 × 3,405,042.84
  4. Step 4: Simplify right side
    6,158,520.80x = 28,937,467,989,846.70
  5. Step 5: Solve for x
    x = 28,937,467,989,846.70/6,158,520.80
  6. Step 6: Final answer
    x = 4,698,769.23

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1.5x scale

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.