Home / 2,638,926.28-3,641,703.06-1,431,676.36

Finding the Fourth Proportional to 2,638,926.28, 3,641,703.06 and 1,431,676.36

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Solution

The fourth proportional to 2,638,926.28, 3,641,703.06 and 1,431,676.36 is: 1,975,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,926.28 : 3,641,703.06 = 1,431,676.36 : x
  2. Step 2: Convert to fraction form
    2,638,926.28/3,641,703.06 = 1,431,676.36/x
  3. Step 3: Cross multiply
    2,638,926.28x = 3,641,703.06 × 1,431,676.36
  4. Step 4: Simplify right side
    2,638,926.28x = 5,213,740,181,141.66
  5. Step 5: Solve for x
    x = 5,213,740,181,141.66/2,638,926.28
  6. Step 6: Final answer
    x = 1,975,705.13

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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.