Home / 4,152,186.80-6,223,614.60-2,129,649.20

Finding the Fourth Proportional to 4,152,186.80, 6,223,614.60 and 2,129,649.20

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Solution

The fourth proportional to 4,152,186.80, 6,223,614.60 and 2,129,649.20 is: 3,192,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152,186.80 : 6,223,614.60 = 2,129,649.20 : x
  2. Step 2: Convert to fraction form
    4,152,186.80/6,223,614.60 = 2,129,649.20/x
  3. Step 3: Cross multiply
    4,152,186.80x = 6,223,614.60 × 2,129,649.20
  4. Step 4: Simplify right side
    4,152,186.80x = 13,254,115,853,998.32
  5. Step 5: Solve for x
    x = 13,254,115,853,998.32/4,152,186.80
  6. Step 6: Final answer
    x = 3,192,080.82

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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.