Home / 2,666,439.52-3,679,684.15-1,505,130.22

Finding the Fourth Proportional to 2,666,439.52, 3,679,684.15 and 1,505,130.22

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Solution

The fourth proportional to 2,666,439.52, 3,679,684.15 and 1,505,130.22 is: 2,077,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,439.52 : 3,679,684.15 = 1,505,130.22 : x
  2. Step 2: Convert to fraction form
    2,666,439.52/3,679,684.15 = 1,505,130.22/x
  3. Step 3: Cross multiply
    2,666,439.52x = 3,679,684.15 × 1,505,130.22
  4. Step 4: Simplify right side
    2,666,439.52x = 5,538,403,814,220.01
  5. Step 5: Solve for x
    x = 5,538,403,814,220.01/2,666,439.52
  6. Step 6: Final answer
    x = 2,077,078.36

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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.