Finding the Fourth Proportional to 1,543,202.88, 2,129,657.76 and 864,277.44
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Solution
The fourth proportional to 1,543,202.88, 2,129,657.76 and 864,277.44 is: 1,192,724.03
Step by Step Solution
- Step 1: Write the proportion equation
1,543,202.88 : 2,129,657.76 = 864,277.44 : x - Step 2: Convert to fraction form
1,543,202.88/2,129,657.76 = 864,277.44/x - Step 3: Cross multiply
1,543,202.88x = 2,129,657.76 × 864,277.44 - Step 4: Simplify right side
1,543,202.88x = 1,840,615,156,888.93 - Step 5: Solve for x
x = 1,840,615,156,888.93/1,543,202.88 - Step 6: Final answer
x = 1,192,724.03
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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.