Finding the Fourth Proportional to 5,910,542.10, 8,865,813.15 and 2,124,407.70
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Solution
The fourth proportional to 5,910,542.10, 8,865,813.15 and 2,124,407.70 is: 3,186,611.55
Step by Step Solution
- Step 1: Write the proportion equation
5,910,542.10 : 8,865,813.15 = 2,124,407.70 : x - Step 2: Convert to fraction form
5,910,542.10/8,865,813.15 = 2,124,407.70/x - Step 3: Cross multiply
5,910,542.10x = 8,865,813.15 × 2,124,407.70 - Step 4: Simplify right side
5,910,542.10x = 18,834,601,722,621.26 - Step 5: Solve for x
x = 18,834,601,722,621.26/5,910,542.10 - Step 6: Final answer
x = 3,186,611.55
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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.