Finding the Fourth Proportional to 4,430,553.80, 6,646,952.28 and 1,235,680.05
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Solution
The fourth proportional to 4,430,553.80, 6,646,952.28 and 1,235,680.05 is: 1,853,832.88
Step by Step Solution
- Step 1: Write the proportion equation
4,430,553.80 : 6,646,952.28 = 1,235,680.05 : x - Step 2: Convert to fraction form
4,430,553.80/6,646,952.28 = 1,235,680.05/x - Step 3: Cross multiply
4,430,553.80x = 6,646,952.28 × 1,235,680.05 - Step 4: Simplify right side
4,430,553.80x = 8,213,506,286,284.85 - Step 5: Solve for x
x = 8,213,506,286,284.85/4,430,553.80 - Step 6: Final answer
x = 1,853,832.88
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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.