Finding the Fourth Proportional to 2,771,847.87, 4,157,920.85 and 878,736.93
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Solution
The fourth proportional to 2,771,847.87, 4,157,920.85 and 878,736.93 is: 1,318,152.65
Step by Step Solution
- Step 1: Write the proportion equation
2,771,847.87 : 4,157,920.85 = 878,736.93 : x - Step 2: Convert to fraction form
2,771,847.87/4,157,920.85 = 878,736.93/x - Step 3: Cross multiply
2,771,847.87x = 4,157,920.85 × 878,736.93 - Step 4: Simplify right side
2,771,847.87x = 3,653,718,602,911.99 - Step 5: Solve for x
x = 3,653,718,602,911.99/2,771,847.87 - Step 6: Final answer
x = 1,318,152.65
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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.