Finding the Fourth Proportional to 4,328,405.80, 6,492,608.70 and 4,163,068.60
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Solution
The fourth proportional to 4,328,405.80, 6,492,608.70 and 4,163,068.60 is: 6,244,602.90
Step by Step Solution
- Step 1: Write the proportion equation
4,328,405.80 : 6,492,608.70 = 4,163,068.60 : x - Step 2: Convert to fraction form
4,328,405.80/6,492,608.70 = 4,163,068.60/x - Step 3: Cross multiply
4,328,405.80x = 6,492,608.70 × 4,163,068.60 - Step 4: Simplify right side
4,328,405.80x = 27,029,175,411,056.82 - Step 5: Solve for x
x = 27,029,175,411,056.82/4,328,405.80 - Step 6: Final answer
x = 6,244,602.90
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1.5x scale
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.