Finding the Fourth Proportional to 6,912,579.80, 10,367,487.30 and 3,318,339.80
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Solution
The fourth proportional to 6,912,579.80, 10,367,487.30 and 3,318,339.80 is: 4,976,846.09
Step by Step Solution
- Step 1: Write the proportion equation
6,912,579.80 : 10,367,487.30 = 3,318,339.80 : x - Step 2: Convert to fraction form
6,912,579.80/10,367,487.30 = 3,318,339.80/x - Step 3: Cross multiply
6,912,579.80x = 10,367,487.30 × 3,318,339.80 - Step 4: Simplify right side
6,912,579.80x = 34,402,845,733,584.54 - Step 5: Solve for x
x = 34,402,845,733,584.54/6,912,579.80 - Step 6: Final answer
x = 4,976,846.09
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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.