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Finding the Fourth Proportional to 1,296,010.10, 1,810,215.10 and 1,296,010.10

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Solution

The fourth proportional to 1,296,010.10, 1,810,215.10 and 1,296,010.10 is: 1,810,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,010.10 : 1,810,215.10 = 1,296,010.10 : x
  2. Step 2: Convert to fraction form
    1,296,010.10/1,810,215.10 = 1,296,010.10/x
  3. Step 3: Cross multiply
    1,296,010.10x = 1,810,215.10 × 1,296,010.10
  4. Step 4: Simplify right side
    1,296,010.10x = 2,346,057,052,772.51
  5. Step 5: Solve for x
    x = 2,346,057,052,772.51/1,296,010.10
  6. Step 6: Final answer
    x = 1,810,215.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.