Home / 2,076,712-3,115,404.96-813,855.04

Finding the Fourth Proportional to 2,076,712, 3,115,404.96 and 813,855.04

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Solution

The fourth proportional to 2,076,712, 3,115,404.96 and 813,855.04 is: 1,220,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,712 : 3,115,404.96 = 813,855.04 : x
  2. Step 2: Convert to fraction form
    2,076,712/3,115,404.96 = 813,855.04/x
  3. Step 3: Cross multiply
    2,076,712x = 3,115,404.96 × 813,855.04
  4. Step 4: Simplify right side
    2,076,712x = 2,535,488,028,337.00
  5. Step 5: Solve for x
    x = 2,535,488,028,337.00/2,076,712
  6. Step 6: Final answer
    x = 1,220,914.61

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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.