Home / 1,891,147.60-2,609,731.90-1,031,707.64

Finding the Fourth Proportional to 1,891,147.60, 2,609,731.90 and 1,031,707.64

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Solution

The fourth proportional to 1,891,147.60, 2,609,731.90 and 1,031,707.64 is: 1,423,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,147.60 : 2,609,731.90 = 1,031,707.64 : x
  2. Step 2: Convert to fraction form
    1,891,147.60/2,609,731.90 = 1,031,707.64/x
  3. Step 3: Cross multiply
    1,891,147.60x = 2,609,731.90 × 1,031,707.64
  4. Step 4: Simplify right side
    1,891,147.60x = 2,692,480,339,581.72
  5. Step 5: Solve for x
    x = 2,692,480,339,581.72/1,891,147.60
  6. Step 6: Final answer
    x = 1,423,728.29

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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.