Home / 2,817,404.12-4,220,438.73-2,135,457.27

Finding the Fourth Proportional to 2,817,404.12, 4,220,438.73 and 2,135,457.27

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Solution

The fourth proportional to 2,817,404.12, 4,220,438.73 and 2,135,457.27 is: 3,198,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,404.12 : 4,220,438.73 = 2,135,457.27 : x
  2. Step 2: Convert to fraction form
    2,817,404.12/4,220,438.73 = 2,135,457.27/x
  3. Step 3: Cross multiply
    2,817,404.12x = 4,220,438.73 × 2,135,457.27
  4. Step 4: Simplify right side
    2,817,404.12x = 9,012,566,572,572.05
  5. Step 5: Solve for x
    x = 9,012,566,572,572.05/2,817,404.12
  6. Step 6: Final answer
    x = 3,198,890.25

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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.