Finding the Fourth Proportional to 1,527,243.18, 2,107,472.67 and 882,705.12
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Solution
The fourth proportional to 1,527,243.18, 2,107,472.67 and 882,705.12 is: 1,218,062.02
Step by Step Solution
- Step 1: Write the proportion equation
1,527,243.18 : 2,107,472.67 = 882,705.12 : x - Step 2: Convert to fraction form
1,527,243.18/2,107,472.67 = 882,705.12/x - Step 3: Cross multiply
1,527,243.18x = 2,107,472.67 × 882,705.12 - Step 4: Simplify right side
1,527,243.18x = 1,860,276,916,069.07 - Step 5: Solve for x
x = 1,860,276,916,069.07/1,527,243.18 - Step 6: Final answer
x = 1,218,062.02
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1.5x scale
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.