Home / 5,177,111.86-7,765,667.79-1,582,878.81

Finding the Fourth Proportional to 5,177,111.86, 7,765,667.79 and 1,582,878.81

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Solution

The fourth proportional to 5,177,111.86, 7,765,667.79 and 1,582,878.81 is: 2,374,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,111.86 : 7,765,667.79 = 1,582,878.81 : x
  2. Step 2: Convert to fraction form
    5,177,111.86/7,765,667.79 = 1,582,878.81/x
  3. Step 3: Cross multiply
    5,177,111.86x = 7,765,667.79 × 1,582,878.81
  4. Step 4: Simplify right side
    5,177,111.86x = 12,292,110,982,376.14
  5. Step 5: Solve for x
    x = 12,292,110,982,376.14/5,177,111.86
  6. Step 6: Final answer
    x = 2,374,318.22

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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.