Home / 3,205,128.26-4,422,901.80-1,754,543.10

Finding the Fourth Proportional to 3,205,128.26, 4,422,901.80 and 1,754,543.10

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Solution

The fourth proportional to 3,205,128.26, 4,422,901.80 and 1,754,543.10 is: 2,421,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205,128.26 : 4,422,901.80 = 1,754,543.10 : x
  2. Step 2: Convert to fraction form
    3,205,128.26/4,422,901.80 = 1,754,543.10/x
  3. Step 3: Cross multiply
    3,205,128.26x = 4,422,901.80 × 1,754,543.10
  4. Step 4: Simplify right side
    3,205,128.26x = 7,760,171,835,167.58
  5. Step 5: Solve for x
    x = 7,760,171,835,167.58/3,205,128.26
  6. Step 6: Final answer
    x = 2,421,173.57

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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.