Finding the Fourth Proportional to 3,372,140.78, 4,653,272.96 and 1,901,968.31
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Solution
The fourth proportional to 3,372,140.78, 4,653,272.96 and 1,901,968.31 is: 2,624,557.59
Step by Step Solution
- Step 1: Write the proportion equation
3,372,140.78 : 4,653,272.96 = 1,901,968.31 : x - Step 2: Convert to fraction form
3,372,140.78/4,653,272.96 = 1,901,968.31/x - Step 3: Cross multiply
3,372,140.78x = 4,653,272.96 × 1,901,968.31 - Step 4: Simplify right side
3,372,140.78x = 8,850,377,685,431.67 - Step 5: Solve for x
x = 8,850,377,685,431.67/3,372,140.78 - Step 6: Final answer
x = 2,624,557.59
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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.