Home / 2,796,390.80-4,191,475.80-1,535,123.60

Finding the Fourth Proportional to 2,796,390.80, 4,191,475.80 and 1,535,123.60

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Solution

The fourth proportional to 2,796,390.80, 4,191,475.80 and 1,535,123.60 is: 2,300,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796,390.80 : 4,191,475.80 = 1,535,123.60 : x
  2. Step 2: Convert to fraction form
    2,796,390.80/4,191,475.80 = 1,535,123.60/x
  3. Step 3: Cross multiply
    2,796,390.80x = 4,191,475.80 × 1,535,123.60
  4. Step 4: Simplify right side
    2,796,390.80x = 6,434,433,419,408.88
  5. Step 5: Solve for x
    x = 6,434,433,419,408.88/2,796,390.80
  6. Step 6: Final answer
    x = 2,300,977.90

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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.