Finding the Fourth Proportional to 4,743,336.95, 7,114,979.87 and 1,149,102.08
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Solution
The fourth proportional to 4,743,336.95, 7,114,979.87 and 1,149,102.08 is: 1,723,646.92
Step by Step Solution
- Step 1: Write the proportion equation
4,743,336.95 : 7,114,979.87 = 1,149,102.08 : x - Step 2: Convert to fraction form
4,743,336.95/7,114,979.87 = 1,149,102.08/x - Step 3: Cross multiply
4,743,336.95x = 7,114,979.87 × 1,149,102.08 - Step 4: Simplify right side
4,743,336.95x = 8,175,838,126,454.72 - Step 5: Solve for x
x = 8,175,838,126,454.72/4,743,336.95 - Step 6: Final answer
x = 1,723,646.92
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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.