Home / 1,968,803.20-2,954,587.20-847,676.80

Finding the Fourth Proportional to 1,968,803.20, 2,954,587.20 and 847,676.80

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Solution

The fourth proportional to 1,968,803.20, 2,954,587.20 and 847,676.80 is: 1,272,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,803.20 : 2,954,587.20 = 847,676.80 : x
  2. Step 2: Convert to fraction form
    1,968,803.20/2,954,587.20 = 847,676.80/x
  3. Step 3: Cross multiply
    1,968,803.20x = 2,954,587.20 × 847,676.80
  4. Step 4: Simplify right side
    1,968,803.20x = 2,504,535,023,016.96
  5. Step 5: Solve for x
    x = 2,504,535,023,016.96/1,968,803.20
  6. Step 6: Final answer
    x = 1,272,110.40

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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.