Home / 3,109,427.08-4,292,083.14-1,820,681.80

Finding the Fourth Proportional to 3,109,427.08, 4,292,083.14 and 1,820,681.80

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Solution

The fourth proportional to 3,109,427.08, 4,292,083.14 and 1,820,681.80 is: 2,513,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,427.08 : 4,292,083.14 = 1,820,681.80 : x
  2. Step 2: Convert to fraction form
    3,109,427.08/4,292,083.14 = 1,820,681.80/x
  3. Step 3: Cross multiply
    3,109,427.08x = 4,292,083.14 × 1,820,681.80
  4. Step 4: Simplify right side
    3,109,427.08x = 7,814,517,657,084.85
  5. Step 5: Solve for x
    x = 7,814,517,657,084.85/3,109,427.08
  6. Step 6: Final answer
    x = 2,513,169.61

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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.