Home / 2,126,382.06-3,189,585.45-528,945.42

Finding the Fourth Proportional to 2,126,382.06, 3,189,585.45 and 528,945.42

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Solution

The fourth proportional to 2,126,382.06, 3,189,585.45 and 528,945.42 is: 793,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,382.06 : 3,189,585.45 = 528,945.42 : x
  2. Step 2: Convert to fraction form
    2,126,382.06/3,189,585.45 = 528,945.42/x
  3. Step 3: Cross multiply
    2,126,382.06x = 3,189,585.45 × 528,945.42
  4. Step 4: Simplify right side
    2,126,382.06x = 1,687,116,615,476.14
  5. Step 5: Solve for x
    x = 1,687,116,615,476.14/2,126,382.06
  6. Step 6: Final answer
    x = 793,421.20

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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.