Finding the Fourth Proportional to 4,538,861.70, 6,808,292.55 and 1,698,604.80
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Solution
The fourth proportional to 4,538,861.70, 6,808,292.55 and 1,698,604.80 is: 2,547,907.20
Step by Step Solution
- Step 1: Write the proportion equation
4,538,861.70 : 6,808,292.55 = 1,698,604.80 : x - Step 2: Convert to fraction form
4,538,861.70/6,808,292.55 = 1,698,604.80/x - Step 3: Cross multiply
4,538,861.70x = 6,808,292.55 × 1,698,604.80 - Step 4: Simplify right side
4,538,861.70x = 11,564,598,405,234.24 - Step 5: Solve for x
x = 11,564,598,405,234.24/4,538,861.70 - Step 6: Final answer
x = 2,547,907.20
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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.