Home / 1,827,107.96-2,740,646.81-1,428,084.14

Finding the Fourth Proportional to 1,827,107.96, 2,740,646.81 and 1,428,084.14

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Solution

The fourth proportional to 1,827,107.96, 2,740,646.81 and 1,428,084.14 is: 2,142,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,107.96 : 2,740,646.81 = 1,428,084.14 : x
  2. Step 2: Convert to fraction form
    1,827,107.96/2,740,646.81 = 1,428,084.14/x
  3. Step 3: Cross multiply
    1,827,107.96x = 2,740,646.81 × 1,428,084.14
  4. Step 4: Simplify right side
    1,827,107.96x = 3,913,874,221,858.94
  5. Step 5: Solve for x
    x = 3,913,874,221,858.94/1,827,107.96
  6. Step 6: Final answer
    x = 2,142,114.38

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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.