Home / 2,289,623.68-3,430,393.86-1,389,237.04

Finding the Fourth Proportional to 2,289,623.68, 3,430,393.86 and 1,389,237.04

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Solution

The fourth proportional to 2,289,623.68, 3,430,393.86 and 1,389,237.04 is: 2,081,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,623.68 : 3,430,393.86 = 1,389,237.04 : x
  2. Step 2: Convert to fraction form
    2,289,623.68/3,430,393.86 = 1,389,237.04/x
  3. Step 3: Cross multiply
    2,289,623.68x = 3,430,393.86 × 1,389,237.04
  4. Step 4: Simplify right side
    2,289,623.68x = 4,765,630,212,100.57
  5. Step 5: Solve for x
    x = 4,765,630,212,100.57/2,289,623.68
  6. Step 6: Final answer
    x = 2,081,403.27

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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.