Home / 2,815,999.40-4,223,999.10-1,696,255.40

Finding the Fourth Proportional to 2,815,999.40, 4,223,999.10 and 1,696,255.40

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Solution

The fourth proportional to 2,815,999.40, 4,223,999.10 and 1,696,255.40 is: 2,544,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,999.40 : 4,223,999.10 = 1,696,255.40 : x
  2. Step 2: Convert to fraction form
    2,815,999.40/4,223,999.10 = 1,696,255.40/x
  3. Step 3: Cross multiply
    2,815,999.40x = 4,223,999.10 × 1,696,255.40
  4. Step 4: Simplify right side
    2,815,999.40x = 7,164,981,282,970.14
  5. Step 5: Solve for x
    x = 7,164,981,282,970.14/2,815,999.40
  6. Step 6: Final answer
    x = 2,544,383.10

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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.