Finding the Fourth Proportional to 1,537,428.36, 2,121,490.20 and 892,722.88
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Solution
The fourth proportional to 1,537,428.36, 2,121,490.20 and 892,722.88 is: 1,231,864.12
Step by Step Solution
- Step 1: Write the proportion equation
1,537,428.36 : 2,121,490.20 = 892,722.88 : x - Step 2: Convert to fraction form
1,537,428.36/2,121,490.20 = 892,722.88/x - Step 3: Cross multiply
1,537,428.36x = 2,121,490.20 × 892,722.88 - Step 4: Simplify right side
1,537,428.36x = 1,893,902,841,235.78 - Step 5: Solve for x
x = 1,893,902,841,235.78/1,537,428.36 - Step 6: Final answer
x = 1,231,864.12
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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.