Home / 2,815,683.83-4,218,698.41-1,890,705.88

Finding the Fourth Proportional to 2,815,683.83, 4,218,698.41 and 1,890,705.88

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Solution

The fourth proportional to 2,815,683.83, 4,218,698.41 and 1,890,705.88 is: 2,832,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,683.83 : 4,218,698.41 = 1,890,705.88 : x
  2. Step 2: Convert to fraction form
    2,815,683.83/4,218,698.41 = 1,890,705.88/x
  3. Step 3: Cross multiply
    2,815,683.83x = 4,218,698.41 × 1,890,705.88
  4. Step 4: Simplify right side
    2,815,683.83x = 7,976,317,889,733.65
  5. Step 5: Solve for x
    x = 7,976,317,889,733.65/2,815,683.83
  6. Step 6: Final answer
    x = 2,832,817.31

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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.