Home / 2,636,668.72-3,954,835.36-840,840.40

Finding the Fourth Proportional to 2,636,668.72, 3,954,835.36 and 840,840.40

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Solution

The fourth proportional to 2,636,668.72, 3,954,835.36 and 840,840.40 is: 1,261,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,668.72 : 3,954,835.36 = 840,840.40 : x
  2. Step 2: Convert to fraction form
    2,636,668.72/3,954,835.36 = 840,840.40/x
  3. Step 3: Cross multiply
    2,636,668.72x = 3,954,835.36 × 840,840.40
  4. Step 4: Simplify right side
    2,636,668.72x = 3,325,385,346,036.54
  5. Step 5: Solve for x
    x = 3,325,385,346,036.54/2,636,668.72
  6. Step 6: Final answer
    x = 1,261,207.11

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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.