Home / 2,196,032.12-3,030,383.70-1,228,999.16

Finding the Fourth Proportional to 2,196,032.12, 3,030,383.70 and 1,228,999.16

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Solution

The fourth proportional to 2,196,032.12, 3,030,383.70 and 1,228,999.16 is: 1,695,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,032.12 : 3,030,383.70 = 1,228,999.16 : x
  2. Step 2: Convert to fraction form
    2,196,032.12/3,030,383.70 = 1,228,999.16/x
  3. Step 3: Cross multiply
    2,196,032.12x = 3,030,383.70 × 1,228,999.16
  4. Step 4: Simplify right side
    2,196,032.12x = 3,724,339,021,777.69
  5. Step 5: Solve for x
    x = 3,724,339,021,777.69/2,196,032.12
  6. Step 6: Final answer
    x = 1,695,940.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.