Finding the Fourth Proportional to 5,387,711.10, 8,081,566.65 and 1,793,595.30
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Solution
The fourth proportional to 5,387,711.10, 8,081,566.65 and 1,793,595.30 is: 2,690,392.95
Step by Step Solution
- Step 1: Write the proportion equation
5,387,711.10 : 8,081,566.65 = 1,793,595.30 : x - Step 2: Convert to fraction form
5,387,711.10/8,081,566.65 = 1,793,595.30/x - Step 3: Cross multiply
5,387,711.10x = 8,081,566.65 × 1,793,595.30 - Step 4: Simplify right side
5,387,711.10x = 14,495,059,960,076.75 - Step 5: Solve for x
x = 14,495,059,960,076.75/5,387,711.10 - Step 6: Final answer
x = 2,690,392.95
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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.