Home / 2,640,014.80-3,953,023.80-2,080,142.80

Finding the Fourth Proportional to 2,640,014.80, 3,953,023.80 and 2,080,142.80

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Solution

The fourth proportional to 2,640,014.80, 3,953,023.80 and 2,080,142.80 is: 3,114,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,014.80 : 3,953,023.80 = 2,080,142.80 : x
  2. Step 2: Convert to fraction form
    2,640,014.80/3,953,023.80 = 2,080,142.80/x
  3. Step 3: Cross multiply
    2,640,014.80x = 3,953,023.80 × 2,080,142.80
  4. Step 4: Simplify right side
    2,640,014.80x = 8,222,853,995,798.64
  5. Step 5: Solve for x
    x = 8,222,853,995,798.64/2,640,014.80
  6. Step 6: Final answer
    x = 3,114,699.96

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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.