Finding the Fourth Proportional to 1,537,612.23, 2,121,722.87 and 849,243.18
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Solution
The fourth proportional to 1,537,612.23, 2,121,722.87 and 849,243.18 is: 1,171,855.06
Step by Step Solution
- Step 1: Write the proportion equation
1,537,612.23 : 2,121,722.87 = 849,243.18 : x - Step 2: Convert to fraction form
1,537,612.23/2,121,722.87 = 849,243.18/x - Step 3: Cross multiply
1,537,612.23x = 2,121,722.87 × 849,243.18 - Step 4: Simplify right side
1,537,612.23x = 1,801,858,672,951.31 - Step 5: Solve for x
x = 1,801,858,672,951.31/1,537,612.23 - Step 6: Final answer
x = 1,171,855.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.