Home / 2,826,779.70-4,238,857.35-1,228,520.10

Finding the Fourth Proportional to 2,826,779.70, 4,238,857.35 and 1,228,520.10

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Solution

The fourth proportional to 2,826,779.70, 4,238,857.35 and 1,228,520.10 is: 1,842,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,779.70 : 4,238,857.35 = 1,228,520.10 : x
  2. Step 2: Convert to fraction form
    2,826,779.70/4,238,857.35 = 1,228,520.10/x
  3. Step 3: Cross multiply
    2,826,779.70x = 4,238,857.35 × 1,228,520.10
  4. Step 4: Simplify right side
    2,826,779.70x = 5,207,521,455,507.74
  5. Step 5: Solve for x
    x = 5,207,521,455,507.74/2,826,779.70
  6. Step 6: Final answer
    x = 1,842,209.87

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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.