Home / 1,839,842.80-2,759,570.08-492,141.40

Finding the Fourth Proportional to 1,839,842.80, 2,759,570.08 and 492,141.40

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Solution

The fourth proportional to 1,839,842.80, 2,759,570.08 and 492,141.40 is: 738,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,842.80 : 2,759,570.08 = 492,141.40 : x
  2. Step 2: Convert to fraction form
    1,839,842.80/2,759,570.08 = 492,141.40/x
  3. Step 3: Cross multiply
    1,839,842.80x = 2,759,570.08 × 492,141.40
  4. Step 4: Simplify right side
    1,839,842.80x = 1,358,098,682,569.31
  5. Step 5: Solve for x
    x = 1,358,098,682,569.31/1,839,842.80
  6. Step 6: Final answer
    x = 738,160.17

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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.