Finding the Fourth Proportional to 4,479,574.73, 6,718,623.89 and 1,921,202.96
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Solution
The fourth proportional to 4,479,574.73, 6,718,623.89 and 1,921,202.96 is: 2,881,487.83
Step by Step Solution
- Step 1: Write the proportion equation
4,479,574.73 : 6,718,623.89 = 1,921,202.96 : x - Step 2: Convert to fraction form
4,479,574.73/6,718,623.89 = 1,921,202.96/x - Step 3: Cross multiply
4,479,574.73x = 6,718,623.89 × 1,921,202.96 - Step 4: Simplify right side
4,479,574.73x = 12,907,840,061,395.58 - Step 5: Solve for x
x = 12,907,840,061,395.58/4,479,574.73 - Step 6: Final answer
x = 2,881,487.83
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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.