Home / 5,112,900.72-7,056,225-2,937,863.88

Finding the Fourth Proportional to 5,112,900.72, 7,056,225 and 2,937,863.88

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Solution

The fourth proportional to 5,112,900.72, 7,056,225 and 2,937,863.88 is: 4,054,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,900.72 : 7,056,225 = 2,937,863.88 : x
  2. Step 2: Convert to fraction form
    5,112,900.72/7,056,225 = 2,937,863.88/x
  3. Step 3: Cross multiply
    5,112,900.72x = 7,056,225 × 2,937,863.88
  4. Step 4: Simplify right side
    5,112,900.72x = 20,730,228,556,653
  5. Step 5: Solve for x
    x = 20,730,228,556,653/5,112,900.72
  6. Step 6: Final answer
    x = 4,054,494.64

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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.