Home / 2,638,015.80-3,956,246.10-1,040,047.80

Finding the Fourth Proportional to 2,638,015.80, 3,956,246.10 and 1,040,047.80

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Solution

The fourth proportional to 2,638,015.80, 3,956,246.10 and 1,040,047.80 is: 1,559,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,015.80 : 3,956,246.10 = 1,040,047.80 : x
  2. Step 2: Convert to fraction form
    2,638,015.80/3,956,246.10 = 1,040,047.80/x
  3. Step 3: Cross multiply
    2,638,015.80x = 3,956,246.10 × 1,040,047.80
  4. Step 4: Simplify right side
    2,638,015.80x = 4,114,685,052,563.58
  5. Step 5: Solve for x
    x = 4,114,685,052,563.58/2,638,015.80
  6. Step 6: Final answer
    x = 1,559,765.13

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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.