Home / 1,887,636.10-2,604,977.40-1,028,194.24

Finding the Fourth Proportional to 1,887,636.10, 2,604,977.40 and 1,028,194.24

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Solution

The fourth proportional to 1,887,636.10, 2,604,977.40 and 1,028,194.24 is: 1,418,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,636.10 : 2,604,977.40 = 1,028,194.24 : x
  2. Step 2: Convert to fraction form
    1,887,636.10/2,604,977.40 = 1,028,194.24/x
  3. Step 3: Cross multiply
    1,887,636.10x = 2,604,977.40 × 1,028,194.24
  4. Step 4: Simplify right side
    1,887,636.10x = 2,678,422,758,010.18
  5. Step 5: Solve for x
    x = 2,678,422,758,010.18/1,887,636.10
  6. Step 6: Final answer
    x = 1,418,929.61

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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.