Finding the Fourth Proportional to 5,721,561.92, 8,574,362.76 and 4,299,953.60
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Solution
The fourth proportional to 5,721,561.92, 8,574,362.76 and 4,299,953.60 is: 6,443,933.06
Step by Step Solution
- Step 1: Write the proportion equation
5,721,561.92 : 8,574,362.76 = 4,299,953.60 : x - Step 2: Convert to fraction form
5,721,561.92/8,574,362.76 = 4,299,953.60/x - Step 3: Cross multiply
5,721,561.92x = 8,574,362.76 × 4,299,953.60 - Step 4: Simplify right side
5,721,561.92x = 36,869,362,017,567.93 - Step 5: Solve for x
x = 36,869,362,017,567.93/5,721,561.92 - Step 6: Final answer
x = 6,443,933.06
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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.