Finding the Fourth Proportional to 1,537,722.10, 2,122,013.94 and 849,381.62
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Solution
The fourth proportional to 1,537,722.10, 2,122,013.94 and 849,381.62 is: 1,172,123.13
Step by Step Solution
- Step 1: Write the proportion equation
1,537,722.10 : 2,122,013.94 = 849,381.62 : x - Step 2: Convert to fraction form
1,537,722.10/2,122,013.94 = 849,381.62/x - Step 3: Cross multiply
1,537,722.10x = 2,122,013.94 × 849,381.62 - Step 4: Simplify right side
1,537,722.10x = 1,802,399,633,772.87 - Step 5: Solve for x
x = 1,802,399,633,772.87/1,537,722.10 - Step 6: Final answer
x = 1,172,123.13
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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.