Home / 3,886,784.08-5,363,771.52-2,168,015.92

Finding the Fourth Proportional to 3,886,784.08, 5,363,771.52 and 2,168,015.92

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Solution

The fourth proportional to 3,886,784.08, 5,363,771.52 and 2,168,015.92 is: 2,991,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,784.08 : 5,363,771.52 = 2,168,015.92 : x
  2. Step 2: Convert to fraction form
    3,886,784.08/5,363,771.52 = 2,168,015.92/x
  3. Step 3: Cross multiply
    3,886,784.08x = 5,363,771.52 × 2,168,015.92
  4. Step 4: Simplify right side
    3,886,784.08x = 11,628,742,046,602.60
  5. Step 5: Solve for x
    x = 11,628,742,046,602.60/3,886,784.08
  6. Step 6: Final answer
    x = 2,991,867.26

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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.