Finding the Fourth Proportional to 4,817,561.48, 6,631,548.18 and 4,163,889.32
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Solution
The fourth proportional to 4,817,561.48, 6,631,548.18 and 4,163,889.32 is: 5,731,744.73
Step by Step Solution
- Step 1: Write the proportion equation
4,817,561.48 : 6,631,548.18 = 4,163,889.32 : x - Step 2: Convert to fraction form
4,817,561.48/6,631,548.18 = 4,163,889.32/x - Step 3: Cross multiply
4,817,561.48x = 6,631,548.18 × 4,163,889.32 - Step 4: Simplify right side
4,817,561.48x = 27,613,032,641,767.43 - Step 5: Solve for x
x = 27,613,032,641,767.43/4,817,561.48 - Step 6: Final answer
x = 5,731,744.73
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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.