Finding the Fourth Proportional to 7,720,352.68, 11,580,612.18 and 2,329,049.83
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Solution
The fourth proportional to 7,720,352.68, 11,580,612.18 and 2,329,049.83 is: 3,493,599.83
Step by Step Solution
- Step 1: Write the proportion equation
7,720,352.68 : 11,580,612.18 = 2,329,049.83 : x - Step 2: Convert to fraction form
7,720,352.68/11,580,612.18 = 2,329,049.83/x - Step 3: Cross multiply
7,720,352.68x = 11,580,612.18 × 2,329,049.83 - Step 4: Simplify right side
7,720,352.68x = 26,971,822,829,124.93 - Step 5: Solve for x
x = 26,971,822,829,124.93/7,720,352.68 - Step 6: Final answer
x = 3,493,599.83
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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.