Home / 1,616,721.60-2,427,706.80-908,133.60

Finding the Fourth Proportional to 1,616,721.60, 2,427,706.80 and 908,133.60

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Solution

The fourth proportional to 1,616,721.60, 2,427,706.80 and 908,133.60 is: 1,363,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,721.60 : 2,427,706.80 = 908,133.60 : x
  2. Step 2: Convert to fraction form
    1,616,721.60/2,427,706.80 = 908,133.60/x
  3. Step 3: Cross multiply
    1,616,721.60x = 2,427,706.80 × 908,133.60
  4. Step 4: Simplify right side
    1,616,721.60x = 2,204,682,116,028.48
  5. Step 5: Solve for x
    x = 2,204,682,116,028.48/1,616,721.60
  6. Step 6: Final answer
    x = 1,363,674.56

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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.