Finding the Fourth Proportional to 2,920,946.86, 4,377,503.89 and 2,273,305.09
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Solution
The fourth proportional to 2,920,946.86, 4,377,503.89 and 2,273,305.09 is: 3,406,909.59
Step by Step Solution
- Step 1: Write the proportion equation
2,920,946.86 : 4,377,503.89 = 2,273,305.09 : x - Step 2: Convert to fraction form
2,920,946.86/4,377,503.89 = 2,273,305.09/x - Step 3: Cross multiply
2,920,946.86x = 4,377,503.89 × 2,273,305.09 - Step 4: Simplify right side
2,920,946.86x = 9,951,401,874,631.80 - Step 5: Solve for x
x = 9,951,401,874,631.80/2,920,946.86 - Step 6: Final answer
x = 3,406,909.59
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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.