Home / 2,431,977.01-3,355,785.39-1,385,425.74

Finding the Fourth Proportional to 2,431,977.01, 3,355,785.39 and 1,385,425.74

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Solution

The fourth proportional to 2,431,977.01, 3,355,785.39 and 1,385,425.74 is: 1,911,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,977.01 : 3,355,785.39 = 1,385,425.74 : x
  2. Step 2: Convert to fraction form
    2,431,977.01/3,355,785.39 = 1,385,425.74/x
  3. Step 3: Cross multiply
    2,431,977.01x = 3,355,785.39 × 1,385,425.74
  4. Step 4: Simplify right side
    2,431,977.01x = 4,649,191,457,221.94
  5. Step 5: Solve for x
    x = 4,649,191,457,221.94/2,431,977.01
  6. Step 6: Final answer
    x = 1,911,692.19

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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.