Home / 3,158,620.83-4,738,263.44-1,028,871.05

Finding the Fourth Proportional to 3,158,620.83, 4,738,263.44 and 1,028,871.05

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Solution

The fourth proportional to 3,158,620.83, 4,738,263.44 and 1,028,871.05 is: 1,543,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,620.83 : 4,738,263.44 = 1,028,871.05 : x
  2. Step 2: Convert to fraction form
    3,158,620.83/4,738,263.44 = 1,028,871.05/x
  3. Step 3: Cross multiply
    3,158,620.83x = 4,738,263.44 × 1,028,871.05
  4. Step 4: Simplify right side
    3,158,620.83x = 4,875,062,051,853.74
  5. Step 5: Solve for x
    x = 4,875,062,051,853.74/3,158,620.83
  6. Step 6: Final answer
    x = 1,543,414.77

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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.