Finding the Fourth Proportional to 6,912,576.80, 10,367,482.80 and 3,318,336.80
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Solution
The fourth proportional to 6,912,576.80, 10,367,482.80 and 3,318,336.80 is: 4,976,841.59
Step by Step Solution
- Step 1: Write the proportion equation
6,912,576.80 : 10,367,482.80 = 3,318,336.80 : x - Step 2: Convert to fraction form
6,912,576.80/10,367,482.80 = 3,318,336.80/x - Step 3: Cross multiply
6,912,576.80x = 10,367,482.80 × 3,318,336.80 - Step 4: Simplify right side
6,912,576.80x = 34,402,799,698,607.04 - Step 5: Solve for x
x = 34,402,799,698,607.04/6,912,576.80 - Step 6: Final answer
x = 4,976,841.59
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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.