Home / 2,175,228.40-3,262,842.60-915,516.40

Finding the Fourth Proportional to 2,175,228.40, 3,262,842.60 and 915,516.40

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Solution

The fourth proportional to 2,175,228.40, 3,262,842.60 and 915,516.40 is: 1,373,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,228.40 : 3,262,842.60 = 915,516.40 : x
  2. Step 2: Convert to fraction form
    2,175,228.40/3,262,842.60 = 915,516.40/x
  3. Step 3: Cross multiply
    2,175,228.40x = 3,262,842.60 × 915,516.40
  4. Step 4: Simplify right side
    2,175,228.40x = 2,987,185,910,918.64
  5. Step 5: Solve for x
    x = 2,987,185,910,918.64/2,175,228.40
  6. Step 6: Final answer
    x = 1,373,274.60

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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.