Finding the Fourth Proportional to 1,336,615.24, 2,005,338.54 and 438,064.84
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Solution
The fourth proportional to 1,336,615.24, 2,005,338.54 and 438,064.84 is: 657,233.50
Step by Step Solution
- Step 1: Write the proportion equation
1,336,615.24 : 2,005,338.54 = 438,064.84 : x - Step 2: Convert to fraction form
1,336,615.24/2,005,338.54 = 438,064.84/x - Step 3: Cross multiply
1,336,615.24x = 2,005,338.54 × 438,064.84 - Step 4: Simplify right side
1,336,615.24x = 878,468,306,670.93 - Step 5: Solve for x
x = 878,468,306,670.93/1,336,615.24 - Step 6: Final answer
x = 657,233.50
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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.