Home / 1,776,012.20-2,662,706.10-978,194.60

Finding the Fourth Proportional to 1,776,012.20, 2,662,706.10 and 978,194.60

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Solution

The fourth proportional to 1,776,012.20, 2,662,706.10 and 978,194.60 is: 1,466,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,012.20 : 2,662,706.10 = 978,194.60 : x
  2. Step 2: Convert to fraction form
    1,776,012.20/2,662,706.10 = 978,194.60/x
  3. Step 3: Cross multiply
    1,776,012.20x = 2,662,706.10 × 978,194.60
  4. Step 4: Simplify right side
    1,776,012.20x = 2,604,644,728,407.06
  5. Step 5: Solve for x
    x = 2,604,644,728,407.06/1,776,012.20
  6. Step 6: Final answer
    x = 1,466,569.16

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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.