Finding the Fourth Proportional to 1,210,803.62, 1,816,207.70 and 1,136,817.07
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Solution
The fourth proportional to 1,210,803.62, 1,816,207.70 and 1,136,817.07 is: 1,705,227.74
Step by Step Solution
- Step 1: Write the proportion equation
1,210,803.62 : 1,816,207.70 = 1,136,817.07 : x - Step 2: Convert to fraction form
1,210,803.62/1,816,207.70 = 1,136,817.07/x - Step 3: Cross multiply
1,210,803.62x = 1,816,207.70 × 1,136,817.07 - Step 4: Simplify right side
1,210,803.62x = 2,064,695,914,437.37 - Step 5: Solve for x
x = 2,064,695,914,437.37/1,210,803.62 - Step 6: Final answer
x = 1,705,227.74
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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.