Home / 3,407,572.80-5,111,023.86-1,385,937.54

Finding the Fourth Proportional to 3,407,572.80, 5,111,023.86 and 1,385,937.54

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Solution

The fourth proportional to 3,407,572.80, 5,111,023.86 and 1,385,937.54 is: 2,078,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,572.80 : 5,111,023.86 = 1,385,937.54 : x
  2. Step 2: Convert to fraction form
    3,407,572.80/5,111,023.86 = 1,385,937.54/x
  3. Step 3: Cross multiply
    3,407,572.80x = 5,111,023.86 × 1,385,937.54
  4. Step 4: Simplify right side
    3,407,572.80x = 7,083,559,835,409.71
  5. Step 5: Solve for x
    x = 7,083,559,835,409.71/3,407,572.80
  6. Step 6: Final answer
    x = 2,078,769.92

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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.