Finding the Fourth Proportional to 3,211,940.79, 4,816,385.64 and 1,864,516.68
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Solution
The fourth proportional to 3,211,940.79, 4,816,385.64 and 1,864,516.68 is: 2,795,889.45
Step by Step Solution
- Step 1: Write the proportion equation
3,211,940.79 : 4,816,385.64 = 1,864,516.68 : x - Step 2: Convert to fraction form
3,211,940.79/4,816,385.64 = 1,864,516.68/x - Step 3: Cross multiply
3,211,940.79x = 4,816,385.64 × 1,864,516.68 - Step 4: Simplify right side
3,211,940.79x = 8,980,231,363,092.48 - Step 5: Solve for x
x = 8,980,231,363,092.48/3,211,940.79 - Step 6: Final answer
x = 2,795,889.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.