Home / 2,126,330.71-3,189,489.90-528,893.89

Finding the Fourth Proportional to 2,126,330.71, 3,189,489.90 and 528,893.89

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Solution

The fourth proportional to 2,126,330.71, 3,189,489.90 and 528,893.89 is: 793,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,330.71 : 3,189,489.90 = 528,893.89 : x
  2. Step 2: Convert to fraction form
    2,126,330.71/3,189,489.90 = 528,893.89/x
  3. Step 3: Cross multiply
    2,126,330.71x = 3,189,489.90 × 528,893.89
  4. Step 4: Simplify right side
    2,126,330.71x = 1,686,901,720,326.71
  5. Step 5: Solve for x
    x = 1,686,901,720,326.71/2,126,330.71
  6. Step 6: Final answer
    x = 793,339.30

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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.