Finding the Fourth Proportional to 6,432,427.71, 8,876,688.62 and 3,531,793.01
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Solution
The fourth proportional to 6,432,427.71, 8,876,688.62 and 3,531,793.01 is: 4,873,840.51
Step by Step Solution
- Step 1: Write the proportion equation
6,432,427.71 : 8,876,688.62 = 3,531,793.01 : x - Step 2: Convert to fraction form
6,432,427.71/8,876,688.62 = 3,531,793.01/x - Step 3: Cross multiply
6,432,427.71x = 8,876,688.62 × 3,531,793.01 - Step 4: Simplify right side
6,432,427.71x = 31,350,626,758,020.14 - Step 5: Solve for x
x = 31,350,626,758,020.14/6,432,427.71 - Step 6: Final answer
x = 4,873,840.51
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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.