Home / 3,440,980.08-4,747,188.60-1,990,406.16

Finding the Fourth Proportional to 3,440,980.08, 4,747,188.60 and 1,990,406.16

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Solution

The fourth proportional to 3,440,980.08, 4,747,188.60 and 1,990,406.16 is: 2,745,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,980.08 : 4,747,188.60 = 1,990,406.16 : x
  2. Step 2: Convert to fraction form
    3,440,980.08/4,747,188.60 = 1,990,406.16/x
  3. Step 3: Cross multiply
    3,440,980.08x = 4,747,188.60 × 1,990,406.16
  4. Step 4: Simplify right side
    3,440,980.08x = 9,448,833,432,121.78
  5. Step 5: Solve for x
    x = 9,448,833,432,121.78/3,440,980.08
  6. Step 6: Final answer
    x = 2,745,971.56

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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.