Home / 2,187,001.91-3,280,502.87-670,672.80

Finding the Fourth Proportional to 2,187,001.91, 3,280,502.87 and 670,672.80

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Solution

The fourth proportional to 2,187,001.91, 3,280,502.87 and 670,672.80 is: 1,006,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,001.91 : 3,280,502.87 = 670,672.80 : x
  2. Step 2: Convert to fraction form
    2,187,001.91/3,280,502.87 = 670,672.80/x
  3. Step 3: Cross multiply
    2,187,001.91x = 3,280,502.87 × 670,672.80
  4. Step 4: Simplify right side
    2,187,001.91x = 2,200,144,044,392.60
  5. Step 5: Solve for x
    x = 2,200,144,044,392.60/2,187,001.91
  6. Step 6: Final answer
    x = 1,006,009.20

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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.