Home / 2,819,178.90-3,890,466.81-1,530,019.26

Finding the Fourth Proportional to 2,819,178.90, 3,890,466.81 and 1,530,019.26

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Solution

The fourth proportional to 2,819,178.90, 3,890,466.81 and 1,530,019.26 is: 2,111,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,178.90 : 3,890,466.81 = 1,530,019.26 : x
  2. Step 2: Convert to fraction form
    2,819,178.90/3,890,466.81 = 1,530,019.26/x
  3. Step 3: Cross multiply
    2,819,178.90x = 3,890,466.81 × 1,530,019.26
  4. Step 4: Simplify right side
    2,819,178.90x = 5,952,489,149,690.76
  5. Step 5: Solve for x
    x = 5,952,489,149,690.76/2,819,178.90
  6. Step 6: Final answer
    x = 2,111,426.54

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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.