Finding the Fourth Proportional to 4,911,504.50, 6,778,234.44 and 2,847,053.05
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Solution
The fourth proportional to 4,911,504.50, 6,778,234.44 and 2,847,053.05 is: 3,929,140.86
Step by Step Solution
- Step 1: Write the proportion equation
4,911,504.50 : 6,778,234.44 = 2,847,053.05 : x - Step 2: Convert to fraction form
4,911,504.50/6,778,234.44 = 2,847,053.05/x - Step 3: Cross multiply
4,911,504.50x = 6,778,234.44 × 2,847,053.05 - Step 4: Simplify right side
4,911,504.50x = 19,297,992,998,567.05 - Step 5: Solve for x
x = 19,297,992,998,567.05/4,911,504.50 - Step 6: Final answer
x = 3,929,140.86
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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.