Home / 1,827,107.21-2,740,645.68-1,428,083.39

Finding the Fourth Proportional to 1,827,107.21, 2,740,645.68 and 1,428,083.39

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Solution

The fourth proportional to 1,827,107.21, 2,740,645.68 and 1,428,083.39 is: 2,142,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,107.21 : 2,740,645.68 = 1,428,083.39 : x
  2. Step 2: Convert to fraction form
    1,827,107.21/2,740,645.68 = 1,428,083.39/x
  3. Step 3: Cross multiply
    1,827,107.21x = 2,740,645.68 × 1,428,083.39
  4. Step 4: Simplify right side
    1,827,107.21x = 3,913,870,559,780.03
  5. Step 5: Solve for x
    x = 3,913,870,559,780.03/1,827,107.21
  6. Step 6: Final answer
    x = 2,142,113.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.