Finding the Fourth Proportional to 3,922,368.08, 5,413,006.71 and 2,180,072.19
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Solution
The fourth proportional to 3,922,368.08, 5,413,006.71 and 2,180,072.19 is: 3,008,576.75
Step by Step Solution
- Step 1: Write the proportion equation
3,922,368.08 : 5,413,006.71 = 2,180,072.19 : x - Step 2: Convert to fraction form
3,922,368.08/5,413,006.71 = 2,180,072.19/x - Step 3: Cross multiply
3,922,368.08x = 5,413,006.71 × 2,180,072.19 - Step 4: Simplify right side
3,922,368.08x = 11,800,745,413,053.17 - Step 5: Solve for x
x = 11,800,745,413,053.17/3,922,368.08 - Step 6: Final answer
x = 3,008,576.75
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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.