Finding the Fourth Proportional to 1,686,178.62, 2,326,785.21 and 951,092.28
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Solution
The fourth proportional to 1,686,178.62, 2,326,785.21 and 951,092.28 is: 1,312,427.65
Step by Step Solution
- Step 1: Write the proportion equation
1,686,178.62 : 2,326,785.21 = 951,092.28 : x - Step 2: Convert to fraction form
1,686,178.62/2,326,785.21 = 951,092.28/x - Step 3: Cross multiply
1,686,178.62x = 2,326,785.21 × 951,092.28 - Step 4: Simplify right side
1,686,178.62x = 2,212,987,450,449.18 - Step 5: Solve for x
x = 2,212,987,450,449.18/1,686,178.62 - Step 6: Final answer
x = 1,312,427.65
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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.