Home / 2,126,329.71-3,189,488.40-528,892.89

Finding the Fourth Proportional to 2,126,329.71, 3,189,488.40 and 528,892.89

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Solution

The fourth proportional to 2,126,329.71, 3,189,488.40 and 528,892.89 is: 793,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,329.71 : 3,189,488.40 = 528,892.89 : x
  2. Step 2: Convert to fraction form
    2,126,329.71/3,189,488.40 = 528,892.89/x
  3. Step 3: Cross multiply
    2,126,329.71x = 3,189,488.40 × 528,892.89
  4. Step 4: Simplify right side
    2,126,329.71x = 1,686,897,737,497.48
  5. Step 5: Solve for x
    x = 1,686,897,737,497.48/2,126,329.71
  6. Step 6: Final answer
    x = 793,337.80

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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.