Finding the Fourth Proportional to 4,384,284.80, 6,573,316.80 and 1,989,276.80
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Solution
The fourth proportional to 4,384,284.80, 6,573,316.80 and 1,989,276.80 is: 2,982,503.92
Step by Step Solution
- Step 1: Write the proportion equation
4,384,284.80 : 6,573,316.80 = 1,989,276.80 : x - Step 2: Convert to fraction form
4,384,284.80/6,573,316.80 = 1,989,276.80/x - Step 3: Cross multiply
4,384,284.80x = 6,573,316.80 × 1,989,276.80 - Step 4: Simplify right side
4,384,284.80x = 13,076,146,609,290.24 - Step 5: Solve for x
x = 13,076,146,609,290.24/4,384,284.80 - Step 6: Final answer
x = 2,982,503.92
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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.