Home / 2,170,012.91-3,255,196.89-1,089,970.16

Finding the Fourth Proportional to 2,170,012.91, 3,255,196.89 and 1,089,970.16

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Solution

The fourth proportional to 2,170,012.91, 3,255,196.89 and 1,089,970.16 is: 1,635,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,012.91 : 3,255,196.89 = 1,089,970.16 : x
  2. Step 2: Convert to fraction form
    2,170,012.91/3,255,196.89 = 1,089,970.16/x
  3. Step 3: Cross multiply
    2,170,012.91x = 3,255,196.89 × 1,089,970.16
  4. Step 4: Simplify right side
    2,170,012.91x = 3,548,067,475,024.80
  5. Step 5: Solve for x
    x = 3,548,067,475,024.80/2,170,012.91
  6. Step 6: Final answer
    x = 1,635,044.41

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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.