Home / 1,821,659.76-2,514,103.70-1,515,195.45

Finding the Fourth Proportional to 1,821,659.76, 2,514,103.70 and 1,515,195.45

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Solution

The fourth proportional to 1,821,659.76, 2,514,103.70 and 1,515,195.45 is: 2,091,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,659.76 : 2,514,103.70 = 1,515,195.45 : x
  2. Step 2: Convert to fraction form
    1,821,659.76/2,514,103.70 = 1,515,195.45/x
  3. Step 3: Cross multiply
    1,821,659.76x = 2,514,103.70 × 1,515,195.45
  4. Step 4: Simplify right side
    1,821,659.76x = 3,809,358,479,492.19
  5. Step 5: Solve for x
    x = 3,809,358,479,492.19/1,821,659.76
  6. Step 6: Final answer
    x = 2,091,147.08

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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.