Finding the Fourth Proportional to 5,538,054.24, 7,641,864 and 3,214,410.48
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Solution
The fourth proportional to 5,538,054.24, 7,641,864 and 3,214,410.48 is: 4,435,508.69
Step by Step Solution
- Step 1: Write the proportion equation
5,538,054.24 : 7,641,864 = 3,214,410.48 : x - Step 2: Convert to fraction form
5,538,054.24/7,641,864 = 3,214,410.48/x - Step 3: Cross multiply
5,538,054.24x = 7,641,864 × 3,214,410.48 - Step 4: Simplify right side
5,538,054.24x = 24,564,087,728,334.72 - Step 5: Solve for x
x = 24,564,087,728,334.72/5,538,054.24 - Step 6: Final answer
x = 4,435,508.69
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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.