Finding the Fourth Proportional to 1,350,486.15, 1,863,920.21 and 867,654.87
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Solution
The fourth proportional to 1,350,486.15, 1,863,920.21 and 867,654.87 is: 1,197,523.90
Step by Step Solution
- Step 1: Write the proportion equation
1,350,486.15 : 1,863,920.21 = 867,654.87 : x - Step 2: Convert to fraction form
1,350,486.15/1,863,920.21 = 867,654.87/x - Step 3: Cross multiply
1,350,486.15x = 1,863,920.21 × 867,654.87 - Step 4: Simplify right side
1,350,486.15x = 1,617,239,443,159.65 - Step 5: Solve for x
x = 1,617,239,443,159.65/1,350,486.15 - Step 6: Final answer
x = 1,197,523.90
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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.