Finding the Fourth Proportional to 3,557,598.48, 4,909,450.77 and 1,925,962.74
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Solution
The fourth proportional to 3,557,598.48, 4,909,450.77 and 1,925,962.74 is: 2,657,809.56
Step by Step Solution
- Step 1: Write the proportion equation
3,557,598.48 : 4,909,450.77 = 1,925,962.74 : x - Step 2: Convert to fraction form
3,557,598.48/4,909,450.77 = 1,925,962.74/x - Step 3: Cross multiply
3,557,598.48x = 4,909,450.77 × 1,925,962.74 - Step 4: Simplify right side
3,557,598.48x = 9,455,419,256,884.31 - Step 5: Solve for x
x = 9,455,419,256,884.31/3,557,598.48 - Step 6: Final answer
x = 2,657,809.56
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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.