Home / 1,648,305.72-2,469,250.98-1,215,234.36

Finding the Fourth Proportional to 1,648,305.72, 2,469,250.98 and 1,215,234.36

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Solution

The fourth proportional to 1,648,305.72, 2,469,250.98 and 1,215,234.36 is: 1,820,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,305.72 : 2,469,250.98 = 1,215,234.36 : x
  2. Step 2: Convert to fraction form
    1,648,305.72/2,469,250.98 = 1,215,234.36/x
  3. Step 3: Cross multiply
    1,648,305.72x = 2,469,250.98 × 1,215,234.36
  4. Step 4: Simplify right side
    1,648,305.72x = 3,000,718,634,359.67
  5. Step 5: Solve for x
    x = 3,000,718,634,359.67/1,648,305.72
  6. Step 6: Final answer
    x = 1,820,486.70

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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.