Home / 1,866,683.55-2,800,606.55-668,616.21

Finding the Fourth Proportional to 1,866,683.55, 2,800,606.55 and 668,616.21

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Solution

The fourth proportional to 1,866,683.55, 2,800,606.55 and 668,616.21 is: 1,003,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,683.55 : 2,800,606.55 = 668,616.21 : x
  2. Step 2: Convert to fraction form
    1,866,683.55/2,800,606.55 = 668,616.21/x
  3. Step 3: Cross multiply
    1,866,683.55x = 2,800,606.55 × 668,616.21
  4. Step 4: Simplify right side
    1,866,683.55x = 1,872,530,933,819.09
  5. Step 5: Solve for x
    x = 1,872,530,933,819.09/1,866,683.55
  6. Step 6: Final answer
    x = 1,003,132.50

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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.