Home / 5,265,119.27-7,898,023.36-1,621,402.31

Finding the Fourth Proportional to 5,265,119.27, 7,898,023.36 and 1,621,402.31

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Solution

The fourth proportional to 5,265,119.27, 7,898,023.36 and 1,621,402.31 is: 2,432,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,119.27 : 7,898,023.36 = 1,621,402.31 : x
  2. Step 2: Convert to fraction form
    5,265,119.27/7,898,023.36 = 1,621,402.31/x
  3. Step 3: Cross multiply
    5,265,119.27x = 7,898,023.36 × 1,621,402.31
  4. Step 4: Simplify right side
    5,265,119.27x = 12,805,873,342,109.77
  5. Step 5: Solve for x
    x = 12,805,873,342,109.77/5,265,119.27
  6. Step 6: Final answer
    x = 2,432,209.54

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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.