Finding the Fourth Proportional to 4,890,331.80, 7,335,497.70 and 2,869,543.80
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Solution
The fourth proportional to 4,890,331.80, 7,335,497.70 and 2,869,543.80 is: 4,304,315.70
Step by Step Solution
- Step 1: Write the proportion equation
4,890,331.80 : 7,335,497.70 = 2,869,543.80 : x - Step 2: Convert to fraction form
4,890,331.80/7,335,497.70 = 2,869,543.80/x - Step 3: Cross multiply
4,890,331.80x = 7,335,497.70 × 2,869,543.80 - Step 4: Simplify right side
4,890,331.80x = 21,049,531,944,949.26 - Step 5: Solve for x
x = 21,049,531,944,949.26/4,890,331.80 - Step 6: Final answer
x = 4,304,315.70
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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.