Home / 2,640,084.80-3,953,128.80-2,080,212.80

Finding the Fourth Proportional to 2,640,084.80, 3,953,128.80 and 2,080,212.80

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Solution

The fourth proportional to 2,640,084.80, 3,953,128.80 and 2,080,212.80 is: 3,114,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,084.80 : 3,953,128.80 = 2,080,212.80 : x
  2. Step 2: Convert to fraction form
    2,640,084.80/3,953,128.80 = 2,080,212.80/x
  3. Step 3: Cross multiply
    2,640,084.80x = 3,953,128.80 × 2,080,212.80
  4. Step 4: Simplify right side
    2,640,084.80x = 8,223,349,129,808.64
  5. Step 5: Solve for x
    x = 8,223,349,129,808.64/2,640,084.80
  6. Step 6: Final answer
    x = 3,114,804.92

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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.