Finding the Fourth Proportional to 4,132,117.92, 6,198,287.58 and 1,292,230.02
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Solution
The fourth proportional to 4,132,117.92, 6,198,287.58 and 1,292,230.02 is: 1,938,379.65
Step by Step Solution
- Step 1: Write the proportion equation
4,132,117.92 : 6,198,287.58 = 1,292,230.02 : x - Step 2: Convert to fraction form
4,132,117.92/6,198,287.58 = 1,292,230.02/x - Step 3: Cross multiply
4,132,117.92x = 6,198,287.58 × 1,292,230.02 - Step 4: Simplify right side
4,132,117.92x = 8,009,613,283,469.15 - Step 5: Solve for x
x = 8,009,613,283,469.15/4,132,117.92 - Step 6: Final answer
x = 1,938,379.65
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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.