Home / 3,783,914.45-5,676,618.64-1,387,779.85

Finding the Fourth Proportional to 3,783,914.45, 5,676,618.64 and 1,387,779.85

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Solution

The fourth proportional to 3,783,914.45, 5,676,618.64 and 1,387,779.85 is: 2,081,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,914.45 : 5,676,618.64 = 1,387,779.85 : x
  2. Step 2: Convert to fraction form
    3,783,914.45/5,676,618.64 = 1,387,779.85/x
  3. Step 3: Cross multiply
    3,783,914.45x = 5,676,618.64 × 1,387,779.85
  4. Step 4: Simplify right side
    3,783,914.45x = 7,877,896,947,065.41
  5. Step 5: Solve for x
    x = 7,877,896,947,065.41/3,783,914.45
  6. Step 6: Final answer
    x = 2,081,943.72

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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.