Home / 2,820,090.39-3,891,729.57-1,612,866.39

Finding the Fourth Proportional to 2,820,090.39, 3,891,729.57 and 1,612,866.39

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Solution

The fourth proportional to 2,820,090.39, 3,891,729.57 and 1,612,866.39 is: 2,225,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,090.39 : 3,891,729.57 = 1,612,866.39 : x
  2. Step 2: Convert to fraction form
    2,820,090.39/3,891,729.57 = 1,612,866.39/x
  3. Step 3: Cross multiply
    2,820,090.39x = 3,891,729.57 × 1,612,866.39
  4. Step 4: Simplify right side
    2,820,090.39x = 6,276,839,822,422.15
  5. Step 5: Solve for x
    x = 6,276,839,822,422.15/2,820,090.39
  6. Step 6: Final answer
    x = 2,225,758.38

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1.5x scale

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.