Home / 3,608,724-4,980,039.12-2,158,480.56

Finding the Fourth Proportional to 3,608,724, 4,980,039.12 and 2,158,480.56

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Solution

The fourth proportional to 3,608,724, 4,980,039.12 and 2,158,480.56 is: 2,978,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,724 : 4,980,039.12 = 2,158,480.56 : x
  2. Step 2: Convert to fraction form
    3,608,724/4,980,039.12 = 2,158,480.56/x
  3. Step 3: Cross multiply
    3,608,724x = 4,980,039.12 × 2,158,480.56
  4. Step 4: Simplify right side
    3,608,724x = 10,749,317,628,559.51
  5. Step 5: Solve for x
    x = 10,749,317,628,559.51/3,608,724
  6. Step 6: Final answer
    x = 2,978,703.17

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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.