Home / 2,113,397.16-3,170,087.96-765,244.47

Finding the Fourth Proportional to 2,113,397.16, 3,170,087.96 and 765,244.47

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Solution

The fourth proportional to 2,113,397.16, 3,170,087.96 and 765,244.47 is: 1,147,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,397.16 : 3,170,087.96 = 765,244.47 : x
  2. Step 2: Convert to fraction form
    2,113,397.16/3,170,087.96 = 765,244.47/x
  3. Step 3: Cross multiply
    2,113,397.16x = 3,170,087.96 × 765,244.47
  4. Step 4: Simplify right side
    2,113,397.16x = 2,425,892,276,977.36
  5. Step 5: Solve for x
    x = 2,425,892,276,977.36/2,113,397.16
  6. Step 6: Final answer
    x = 1,147,863.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.