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Finding the Fourth Proportional to 1,848,569.07, 2,550,978.32 and 1,032,778.88

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Solution

The fourth proportional to 1,848,569.07, 2,550,978.32 and 1,032,778.88 is: 1,425,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,569.07 : 2,550,978.32 = 1,032,778.88 : x
  2. Step 2: Convert to fraction form
    1,848,569.07/2,550,978.32 = 1,032,778.88/x
  3. Step 3: Cross multiply
    1,848,569.07x = 2,550,978.32 × 1,032,778.88
  4. Step 4: Simplify right side
    1,848,569.07x = 2,634,596,514,315.10
  5. Step 5: Solve for x
    x = 2,634,596,514,315.10/1,848,569.07
  6. Step 6: Final answer
    x = 1,425,208.59

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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.