Home / 1,917,555.21-2,644,080.48-1,567,603.38

Finding the Fourth Proportional to 1,917,555.21, 2,644,080.48 and 1,567,603.38

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Solution

The fourth proportional to 1,917,555.21, 2,644,080.48 and 1,567,603.38 is: 2,161,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,555.21 : 2,644,080.48 = 1,567,603.38 : x
  2. Step 2: Convert to fraction form
    1,917,555.21/2,644,080.48 = 1,567,603.38/x
  3. Step 3: Cross multiply
    1,917,555.21x = 2,644,080.48 × 1,567,603.38
  4. Step 4: Simplify right side
    1,917,555.21x = 4,144,869,497,440.02
  5. Step 5: Solve for x
    x = 4,144,869,497,440.02/1,917,555.21
  6. Step 6: Final answer
    x = 2,161,538.54

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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.