Home / 1,610,218.23-2,222,106.81-885,128.91

Finding the Fourth Proportional to 1,610,218.23, 2,222,106.81 and 885,128.91

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Solution

The fourth proportional to 1,610,218.23, 2,222,106.81 and 885,128.91 is: 1,221,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,218.23 : 2,222,106.81 = 885,128.91 : x
  2. Step 2: Convert to fraction form
    1,610,218.23/2,222,106.81 = 885,128.91/x
  3. Step 3: Cross multiply
    1,610,218.23x = 2,222,106.81 × 885,128.91
  4. Step 4: Simplify right side
    1,610,218.23x = 1,966,850,978,638.88
  5. Step 5: Solve for x
    x = 1,966,850,978,638.88/1,610,218.23
  6. Step 6: Final answer
    x = 1,221,481.00

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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.