Finding the Fourth Proportional to 1,441,497.78, 1,988,791.49 and 925,540.74
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Solution
The fourth proportional to 1,441,497.78, 1,988,791.49 and 925,540.74 is: 1,276,940.95
Step by Step Solution
- Step 1: Write the proportion equation
1,441,497.78 : 1,988,791.49 = 925,540.74 : x - Step 2: Convert to fraction form
1,441,497.78/1,988,791.49 = 925,540.74/x - Step 3: Cross multiply
1,441,497.78x = 1,988,791.49 × 925,540.74 - Step 4: Simplify right side
1,441,497.78x = 1,840,707,549,674.15 - Step 5: Solve for x
x = 1,840,707,549,674.15/1,441,497.78 - Step 6: Final answer
x = 1,276,940.95
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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.