Home / 1,821,657.51-2,514,100.59-1,515,193.20

Finding the Fourth Proportional to 1,821,657.51, 2,514,100.59 and 1,515,193.20

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Solution

The fourth proportional to 1,821,657.51, 2,514,100.59 and 1,515,193.20 is: 2,091,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,657.51 : 2,514,100.59 = 1,515,193.20 : x
  2. Step 2: Convert to fraction form
    1,821,657.51/2,514,100.59 = 1,515,193.20/x
  3. Step 3: Cross multiply
    1,821,657.51x = 2,514,100.59 × 1,515,193.20
  4. Step 4: Simplify right side
    1,821,657.51x = 3,809,348,118,083.99
  5. Step 5: Solve for x
    x = 3,809,348,118,083.99/1,821,657.51
  6. Step 6: Final answer
    x = 2,091,143.97

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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.