Finding the Fourth Proportional to 4,680,234.90, 7,020,352.35 and 2,285,615.70
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Solution
The fourth proportional to 4,680,234.90, 7,020,352.35 and 2,285,615.70 is: 3,428,423.55
Step by Step Solution
- Step 1: Write the proportion equation
4,680,234.90 : 7,020,352.35 = 2,285,615.70 : x - Step 2: Convert to fraction form
4,680,234.90/7,020,352.35 = 2,285,615.70/x - Step 3: Cross multiply
4,680,234.90x = 7,020,352.35 × 2,285,615.70 - Step 4: Simplify right side
4,680,234.90x = 16,045,827,550,691.89 - Step 5: Solve for x
x = 16,045,827,550,691.89/4,680,234.90 - Step 6: Final answer
x = 3,428,423.55
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1.5x scale
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.