Finding the Fourth Proportional to 4,156,164.20, 6,223,748.70 and 3,316,356.20
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Solution
The fourth proportional to 4,156,164.20, 6,223,748.70 and 3,316,356.20 is: 4,966,157.88
Step by Step Solution
- Step 1: Write the proportion equation
4,156,164.20 : 6,223,748.70 = 3,316,356.20 : x - Step 2: Convert to fraction form
4,156,164.20/6,223,748.70 = 3,316,356.20/x - Step 3: Cross multiply
4,156,164.20x = 6,223,748.70 × 3,316,356.20 - Step 4: Simplify right side
4,156,164.20x = 20,640,167,588,486.94 - Step 5: Solve for x
x = 20,640,167,588,486.94/4,156,164.20 - Step 6: Final answer
x = 4,966,157.88
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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.