Home / 1,839,838.79-2,759,564.09-492,137.40

Finding the Fourth Proportional to 1,839,838.79, 2,759,564.09 and 492,137.40

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Solution

The fourth proportional to 1,839,838.79, 2,759,564.09 and 492,137.40 is: 738,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,838.79 : 2,759,564.09 = 492,137.40 : x
  2. Step 2: Convert to fraction form
    1,839,838.79/2,759,564.09 = 492,137.40/x
  3. Step 3: Cross multiply
    1,839,838.79x = 2,759,564.09 × 492,137.40
  4. Step 4: Simplify right side
    1,839,838.79x = 1,358,084,707,964.67
  5. Step 5: Solve for x
    x = 1,358,084,707,964.67/1,839,838.79
  6. Step 6: Final answer
    x = 738,154.19

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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.