Home / 3,826,811-5,280,999.18-2,107,926.20

Finding the Fourth Proportional to 3,826,811, 5,280,999.18 and 2,107,926.20

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Solution

The fourth proportional to 3,826,811, 5,280,999.18 and 2,107,926.20 is: 2,908,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,811 : 5,280,999.18 = 2,107,926.20 : x
  2. Step 2: Convert to fraction form
    3,826,811/5,280,999.18 = 2,107,926.20/x
  3. Step 3: Cross multiply
    3,826,811x = 5,280,999.18 × 2,107,926.20
  4. Step 4: Simplify right side
    3,826,811x = 11,131,956,533,700.52
  5. Step 5: Solve for x
    x = 11,131,956,533,700.52/3,826,811
  6. Step 6: Final answer
    x = 2,908,938.16

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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.