Home / 1,991,141.16-2,986,706.04-495,233.16

Finding the Fourth Proportional to 1,991,141.16, 2,986,706.04 and 495,233.16

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Solution

The fourth proportional to 1,991,141.16, 2,986,706.04 and 495,233.16 is: 742,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,141.16 : 2,986,706.04 = 495,233.16 : x
  2. Step 2: Convert to fraction form
    1,991,141.16/2,986,706.04 = 495,233.16/x
  3. Step 3: Cross multiply
    1,991,141.16x = 2,986,706.04 × 495,233.16
  4. Step 4: Simplify right side
    1,991,141.16x = 1,479,115,870,180.29
  5. Step 5: Solve for x
    x = 1,479,115,870,180.29/1,991,141.16
  6. Step 6: Final answer
    x = 742,848.32

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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.