Home / 3,211,010.90-4,816,516.35-1,319,110.10

Finding the Fourth Proportional to 3,211,010.90, 4,816,516.35 and 1,319,110.10

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Solution

The fourth proportional to 3,211,010.90, 4,816,516.35 and 1,319,110.10 is: 1,978,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,010.90 : 4,816,516.35 = 1,319,110.10 : x
  2. Step 2: Convert to fraction form
    3,211,010.90/4,816,516.35 = 1,319,110.10/x
  3. Step 3: Cross multiply
    3,211,010.90x = 4,816,516.35 × 1,319,110.10
  4. Step 4: Simplify right side
    3,211,010.90x = 6,353,515,364,100.14
  5. Step 5: Solve for x
    x = 6,353,515,364,100.14/3,211,010.90
  6. Step 6: Final answer
    x = 1,978,665.15

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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.