Home / 3,990,649.20-5,985,973.80-1,468,114.80

Finding the Fourth Proportional to 3,990,649.20, 5,985,973.80 and 1,468,114.80

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Solution

The fourth proportional to 3,990,649.20, 5,985,973.80 and 1,468,114.80 is: 2,202,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,649.20 : 5,985,973.80 = 1,468,114.80 : x
  2. Step 2: Convert to fraction form
    3,990,649.20/5,985,973.80 = 1,468,114.80/x
  3. Step 3: Cross multiply
    3,990,649.20x = 5,985,973.80 × 1,468,114.80
  4. Step 4: Simplify right side
    3,990,649.20x = 8,788,096,728,192.24
  5. Step 5: Solve for x
    x = 8,788,096,728,192.24/3,990,649.20
  6. Step 6: Final answer
    x = 2,202,172.20

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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.