Home / 2,289,742.56-3,430,572.33-1,389,355.86

Finding the Fourth Proportional to 2,289,742.56, 3,430,572.33 and 1,389,355.86

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Solution

The fourth proportional to 2,289,742.56, 3,430,572.33 and 1,389,355.86 is: 2,081,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,742.56 : 3,430,572.33 = 1,389,355.86 : x
  2. Step 2: Convert to fraction form
    2,289,742.56/3,430,572.33 = 1,389,355.86/x
  3. Step 3: Cross multiply
    2,289,742.56x = 3,430,572.33 × 1,389,355.86
  4. Step 4: Simplify right side
    2,289,742.56x = 4,766,285,769,839.35
  5. Step 5: Solve for x
    x = 4,766,285,769,839.35/2,289,742.56
  6. Step 6: Final answer
    x = 2,081,581.51

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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.