Finding the Fourth Proportional to 3,557,115.48, 5,336,410.79 and 1,427,365.74
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Solution
The fourth proportional to 3,557,115.48, 5,336,410.79 and 1,427,365.74 is: 2,141,344.58
Step by Step Solution
- Step 1: Write the proportion equation
3,557,115.48 : 5,336,410.79 = 1,427,365.74 : x - Step 2: Convert to fraction form
3,557,115.48/5,336,410.79 = 1,427,365.74/x - Step 3: Cross multiply
3,557,115.48x = 5,336,410.79 × 1,427,365.74 - Step 4: Simplify right side
3,557,115.48x = 7,617,009,936,212.34 - Step 5: Solve for x
x = 7,617,009,936,212.34/3,557,115.48 - Step 6: Final answer
x = 2,141,344.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.