Finding the Fourth Proportional to 1,972,890.46, 2,957,586.09 and 961,446.70
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Solution
The fourth proportional to 1,972,890.46, 2,957,586.09 and 961,446.70 is: 1,441,317.42
Step by Step Solution
- Step 1: Write the proportion equation
1,972,890.46 : 2,957,586.09 = 961,446.70 : x - Step 2: Convert to fraction form
1,972,890.46/2,957,586.09 = 961,446.70/x - Step 3: Cross multiply
1,972,890.46x = 2,957,586.09 × 961,446.70 - Step 4: Simplify right side
1,972,890.46x = 2,843,561,386,196.40 - Step 5: Solve for x
x = 2,843,561,386,196.40/1,972,890.46 - Step 6: Final answer
x = 1,441,317.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.