Home / 1,672,284.45-2,308,710.09-1,100,985.39

Finding the Fourth Proportional to 1,672,284.45, 2,308,710.09 and 1,100,985.39

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Solution

The fourth proportional to 1,672,284.45, 2,308,710.09 and 1,100,985.39 is: 1,519,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,284.45 : 2,308,710.09 = 1,100,985.39 : x
  2. Step 2: Convert to fraction form
    1,672,284.45/2,308,710.09 = 1,100,985.39/x
  3. Step 3: Cross multiply
    1,672,284.45x = 2,308,710.09 × 1,100,985.39
  4. Step 4: Simplify right side
    1,672,284.45x = 2,541,856,078,835.58
  5. Step 5: Solve for x
    x = 2,541,856,078,835.58/1,672,284.45
  6. Step 6: Final answer
    x = 1,519,990.26

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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.