Finding the Fourth Proportional to 1,554,461.20, 2,331,691.80 and 543,247.08
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Solution
The fourth proportional to 1,554,461.20, 2,331,691.80 and 543,247.08 is: 814,870.62
Step by Step Solution
- Step 1: Write the proportion equation
1,554,461.20 : 2,331,691.80 = 543,247.08 : x - Step 2: Convert to fraction form
1,554,461.20/2,331,691.80 = 543,247.08/x - Step 3: Cross multiply
1,554,461.20x = 2,331,691.80 × 543,247.08 - Step 4: Simplify right side
1,554,461.20x = 1,266,684,761,809.94 - Step 5: Solve for x
x = 1,266,684,761,809.94/1,554,461.20 - Step 6: Final answer
x = 814,870.62
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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.