Home / 1,638,851.01-2,261,623.87-913,743.87

Finding the Fourth Proportional to 1,638,851.01, 2,261,623.87 and 913,743.87

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Solution

The fourth proportional to 1,638,851.01, 2,261,623.87 and 913,743.87 is: 1,260,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,851.01 : 2,261,623.87 = 913,743.87 : x
  2. Step 2: Convert to fraction form
    1,638,851.01/2,261,623.87 = 913,743.87/x
  3. Step 3: Cross multiply
    1,638,851.01x = 2,261,623.87 × 913,743.87
  4. Step 4: Simplify right side
    1,638,851.01x = 2,066,544,934,979.46
  5. Step 5: Solve for x
    x = 2,066,544,934,979.46/1,638,851.01
  6. Step 6: Final answer
    x = 1,260,971.82

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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.