Home / 2,279,015.01-3,144,800.66-1,361,116.76

Finding the Fourth Proportional to 2,279,015.01, 3,144,800.66 and 1,361,116.76

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Solution

The fourth proportional to 2,279,015.01, 3,144,800.66 and 1,361,116.76 is: 1,878,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,015.01 : 3,144,800.66 = 1,361,116.76 : x
  2. Step 2: Convert to fraction form
    2,279,015.01/3,144,800.66 = 1,361,116.76/x
  3. Step 3: Cross multiply
    2,279,015.01x = 3,144,800.66 × 1,361,116.76
  4. Step 4: Simplify right side
    2,279,015.01x = 4,280,440,862,655.47
  5. Step 5: Solve for x
    x = 4,280,440,862,655.47/2,279,015.01
  6. Step 6: Final answer
    x = 1,878,197.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.