Finding the Fourth Proportional to 5,541,876.48, 8,312,875.20 and 1,947,745.92
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Solution
The fourth proportional to 5,541,876.48, 8,312,875.20 and 1,947,745.92 is: 2,921,640.14
Step by Step Solution
- Step 1: Write the proportion equation
5,541,876.48 : 8,312,875.20 = 1,947,745.92 : x - Step 2: Convert to fraction form
5,541,876.48/8,312,875.20 = 1,947,745.92/x - Step 3: Cross multiply
5,541,876.48x = 8,312,875.20 × 1,947,745.92 - Step 4: Simplify right side
5,541,876.48x = 16,191,368,754,269.18 - Step 5: Solve for x
x = 16,191,368,754,269.18/5,541,876.48 - Step 6: Final answer
x = 2,921,640.14
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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.