Finding the Fourth Proportional to 5,552,292.96, 7,662,184.80 and 3,229,742.70
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Solution
The fourth proportional to 5,552,292.96, 7,662,184.80 and 3,229,742.70 is: 4,457,056.86
Step by Step Solution
- Step 1: Write the proportion equation
5,552,292.96 : 7,662,184.80 = 3,229,742.70 : x - Step 2: Convert to fraction form
5,552,292.96/7,662,184.80 = 3,229,742.70/x - Step 3: Cross multiply
5,552,292.96x = 7,662,184.80 × 3,229,742.70 - Step 4: Simplify right side
5,552,292.96x = 24,746,885,423,850.96 - Step 5: Solve for x
x = 24,746,885,423,850.96/5,552,292.96 - Step 6: Final answer
x = 4,457,056.86
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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.