Home / 1,636,976.40-2,451,317.40-1,305,200.40

Finding the Fourth Proportional to 1,636,976.40, 2,451,317.40 and 1,305,200.40

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Solution

The fourth proportional to 1,636,976.40, 2,451,317.40 and 1,305,200.40 is: 1,954,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,976.40 : 2,451,317.40 = 1,305,200.40 : x
  2. Step 2: Convert to fraction form
    1,636,976.40/2,451,317.40 = 1,305,200.40/x
  3. Step 3: Cross multiply
    1,636,976.40x = 2,451,317.40 × 1,305,200.40
  4. Step 4: Simplify right side
    1,636,976.40x = 3,199,460,451,006.96
  5. Step 5: Solve for x
    x = 3,199,460,451,006.96/1,636,976.40
  6. Step 6: Final answer
    x = 1,954,493.94

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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.