Finding the Fourth Proportional to 3,840,211.68, 5,299,148.52 and 2,208,184.80
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Solution
The fourth proportional to 3,840,211.68, 5,299,148.52 and 2,208,184.80 is: 3,047,097.45
Step by Step Solution
- Step 1: Write the proportion equation
3,840,211.68 : 5,299,148.52 = 2,208,184.80 : x - Step 2: Convert to fraction form
3,840,211.68/5,299,148.52 = 2,208,184.80/x - Step 3: Cross multiply
3,840,211.68x = 5,299,148.52 × 2,208,184.80 - Step 4: Simplify right side
3,840,211.68x = 11,701,499,214,806.49 - Step 5: Solve for x
x = 11,701,499,214,806.49/3,840,211.68 - Step 6: Final answer
x = 3,047,097.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.