Finding the Fourth Proportional to 1,965,640.74, 2,948,318.91 and 618,188.79
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Solution
The fourth proportional to 1,965,640.74, 2,948,318.91 and 618,188.79 is: 927,238.46
Step by Step Solution
- Step 1: Write the proportion equation
1,965,640.74 : 2,948,318.91 = 618,188.79 : x - Step 2: Convert to fraction form
1,965,640.74/2,948,318.91 = 618,188.79/x - Step 3: Cross multiply
1,965,640.74x = 2,948,318.91 × 618,188.79 - Step 4: Simplify right side
1,965,640.74x = 1,822,617,699,507.02 - Step 5: Solve for x
x = 1,822,617,699,507.02/1,965,640.74 - Step 6: Final answer
x = 927,238.46
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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.