Finding the Fourth Proportional to 1,590,586.80, 2,387,046.60 and 1,057,930.80
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Solution
The fourth proportional to 1,590,586.80, 2,387,046.60 and 1,057,930.80 is: 1,587,672.00
Step by Step Solution
- Step 1: Write the proportion equation
1,590,586.80 : 2,387,046.60 = 1,057,930.80 : x - Step 2: Convert to fraction form
1,590,586.80/2,387,046.60 = 1,057,930.80/x - Step 3: Cross multiply
1,590,586.80x = 2,387,046.60 × 1,057,930.80 - Step 4: Simplify right side
1,590,586.80x = 2,525,330,119,175.28 - Step 5: Solve for x
x = 2,525,330,119,175.28/1,590,586.80 - Step 6: Final answer
x = 1,587,672.00
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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.