Home / 5,228,415.64-7,215,069.74-2,905,248.16

Finding the Fourth Proportional to 5,228,415.64, 7,215,069.74 and 2,905,248.16

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Solution

The fourth proportional to 5,228,415.64, 7,215,069.74 and 2,905,248.16 is: 4,009,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,415.64 : 7,215,069.74 = 2,905,248.16 : x
  2. Step 2: Convert to fraction form
    5,228,415.64/7,215,069.74 = 2,905,248.16/x
  3. Step 3: Cross multiply
    5,228,415.64x = 7,215,069.74 × 2,905,248.16
  4. Step 4: Simplify right side
    5,228,415.64x = 20,961,568,080,899.27
  5. Step 5: Solve for x
    x = 20,961,568,080,899.27/5,228,415.64
  6. Step 6: Final answer
    x = 4,009,162.53

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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.