Home / 5,129,724.40-7,079,228.08-2,837,845.60

Finding the Fourth Proportional to 5,129,724.40, 7,079,228.08 and 2,837,845.60

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Solution

The fourth proportional to 5,129,724.40, 7,079,228.08 and 2,837,845.60 is: 3,916,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,724.40 : 7,079,228.08 = 2,837,845.60 : x
  2. Step 2: Convert to fraction form
    5,129,724.40/7,079,228.08 = 2,837,845.60/x
  3. Step 3: Cross multiply
    5,129,724.40x = 7,079,228.08 × 2,837,845.60
  4. Step 4: Simplify right side
    5,129,724.40x = 20,089,756,258,224.45
  5. Step 5: Solve for x
    x = 20,089,756,258,224.45/5,129,724.40
  6. Step 6: Final answer
    x = 3,916,342.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.