Home / 3,120,744.80-4,678,525.20-1,325,007.20

Finding the Fourth Proportional to 3,120,744.80, 4,678,525.20 and 1,325,007.20

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Solution

The fourth proportional to 3,120,744.80, 4,678,525.20 and 1,325,007.20 is: 1,986,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,744.80 : 4,678,525.20 = 1,325,007.20 : x
  2. Step 2: Convert to fraction form
    3,120,744.80/4,678,525.20 = 1,325,007.20/x
  3. Step 3: Cross multiply
    3,120,744.80x = 4,678,525.20 × 1,325,007.20
  4. Step 4: Simplify right side
    3,120,744.80x = 6,199,079,575,381.44
  5. Step 5: Solve for x
    x = 6,199,079,575,381.44/3,120,744.80
  6. Step 6: Final answer
    x = 1,986,410.29

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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.