Home / 1,819,062.90-2,728,603.80-471,131.10

Finding the Fourth Proportional to 1,819,062.90, 2,728,603.80 and 471,131.10

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Solution

The fourth proportional to 1,819,062.90, 2,728,603.80 and 471,131.10 is: 706,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,062.90 : 2,728,603.80 = 471,131.10 : x
  2. Step 2: Convert to fraction form
    1,819,062.90/2,728,603.80 = 471,131.10/x
  3. Step 3: Cross multiply
    1,819,062.90x = 2,728,603.80 × 471,131.10
  4. Step 4: Simplify right side
    1,819,062.90x = 1,285,530,109,758.18
  5. Step 5: Solve for x
    x = 1,285,530,109,758.18/1,819,062.90
  6. Step 6: Final answer
    x = 706,699.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.