Finding the Fourth Proportional to 1,527,442.11, 2,107,635.80 and 882,737.80
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Solution
The fourth proportional to 1,527,442.11, 2,107,635.80 and 882,737.80 is: 1,218,042.74
Step by Step Solution
- Step 1: Write the proportion equation
1,527,442.11 : 2,107,635.80 = 882,737.80 : x - Step 2: Convert to fraction form
1,527,442.11/2,107,635.80 = 882,737.80/x - Step 3: Cross multiply
1,527,442.11x = 2,107,635.80 × 882,737.80 - Step 4: Simplify right side
1,527,442.11x = 1,860,489,779,610.46 - Step 5: Solve for x
x = 1,860,489,779,610.46/1,527,442.11 - Step 6: Final answer
x = 1,218,042.74
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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.