Home / 5,509,827.80-8,264,741.70-3,990,300.20

Finding the Fourth Proportional to 5,509,827.80, 8,264,741.70 and 3,990,300.20

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Solution

The fourth proportional to 5,509,827.80, 8,264,741.70 and 3,990,300.20 is: 5,985,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,827.80 : 8,264,741.70 = 3,990,300.20 : x
  2. Step 2: Convert to fraction form
    5,509,827.80/8,264,741.70 = 3,990,300.20/x
  3. Step 3: Cross multiply
    5,509,827.80x = 8,264,741.70 × 3,990,300.20
  4. Step 4: Simplify right side
    5,509,827.80x = 32,978,800,458,458.34
  5. Step 5: Solve for x
    x = 32,978,800,458,458.34/5,509,827.80
  6. Step 6: Final answer
    x = 5,985,450.30

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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.