Home / 2,107,312.72-3,159,031.56-759,145.64

Finding the Fourth Proportional to 2,107,312.72, 3,159,031.56 and 759,145.64

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Solution

The fourth proportional to 2,107,312.72, 3,159,031.56 and 759,145.64 is: 1,138,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,312.72 : 3,159,031.56 = 759,145.64 : x
  2. Step 2: Convert to fraction form
    2,107,312.72/3,159,031.56 = 759,145.64/x
  3. Step 3: Cross multiply
    2,107,312.72x = 3,159,031.56 × 759,145.64
  4. Step 4: Simplify right side
    2,107,312.72x = 2,398,165,035,396.40
  5. Step 5: Solve for x
    x = 2,398,165,035,396.40/2,107,312.72
  6. Step 6: Final answer
    x = 1,138,020.48

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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.