Finding the Fourth Proportional to 8,609,307.69, 12,914,704.98 and 2,219,506.05
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Solution
The fourth proportional to 8,609,307.69, 12,914,704.98 and 2,219,506.05 is: 3,329,450.74
Step by Step Solution
- Step 1: Write the proportion equation
8,609,307.69 : 12,914,704.98 = 2,219,506.05 : x - Step 2: Convert to fraction form
8,609,307.69/12,914,704.98 = 2,219,506.05/x - Step 3: Cross multiply
8,609,307.69x = 12,914,704.98 × 2,219,506.05 - Step 4: Simplify right side
8,609,307.69x = 28,664,265,837,075.13 - Step 5: Solve for x
x = 28,664,265,837,075.13/8,609,307.69 - Step 6: Final answer
x = 3,329,450.74
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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.