Finding the Fourth Proportional to 4,215,338.76, 6,324,192.06 and 1,692,765.48
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Solution
The fourth proportional to 4,215,338.76, 6,324,192.06 and 1,692,765.48 is: 2,539,623.65
Step by Step Solution
- Step 1: Write the proportion equation
4,215,338.76 : 6,324,192.06 = 1,692,765.48 : x - Step 2: Convert to fraction form
4,215,338.76/6,324,192.06 = 1,692,765.48/x - Step 3: Cross multiply
4,215,338.76x = 6,324,192.06 × 1,692,765.48 - Step 4: Simplify right side
4,215,338.76x = 10,705,374,008,058.09 - Step 5: Solve for x
x = 10,705,374,008,058.09/4,215,338.76 - Step 6: Final answer
x = 2,539,623.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.