Home / 1,906,847.52-2,629,293.12-1,217,613.12

Finding the Fourth Proportional to 1,906,847.52, 2,629,293.12 and 1,217,613.12

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Solution

The fourth proportional to 1,906,847.52, 2,629,293.12 and 1,217,613.12 is: 1,678,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,847.52 : 2,629,293.12 = 1,217,613.12 : x
  2. Step 2: Convert to fraction form
    1,906,847.52/2,629,293.12 = 1,217,613.12/x
  3. Step 3: Cross multiply
    1,906,847.52x = 2,629,293.12 × 1,217,613.12
  4. Step 4: Simplify right side
    1,906,847.52x = 3,201,461,799,237.74
  5. Step 5: Solve for x
    x = 3,201,461,799,237.74/1,906,847.52
  6. Step 6: Final answer
    x = 1,678,929.10

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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.