Home / 2,486,666.74-3,730,000.11-1,645,021.66

Finding the Fourth Proportional to 2,486,666.74, 3,730,000.11 and 1,645,021.66

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Solution

The fourth proportional to 2,486,666.74, 3,730,000.11 and 1,645,021.66 is: 2,467,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,666.74 : 3,730,000.11 = 1,645,021.66 : x
  2. Step 2: Convert to fraction form
    2,486,666.74/3,730,000.11 = 1,645,021.66/x
  3. Step 3: Cross multiply
    2,486,666.74x = 3,730,000.11 × 1,645,021.66
  4. Step 4: Simplify right side
    2,486,666.74x = 6,135,930,972,752.38
  5. Step 5: Solve for x
    x = 6,135,930,972,752.38/2,486,666.74
  6. Step 6: Final answer
    x = 2,467,532.49

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Double scale
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Similar ratio
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1.5x scale

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.