Finding the Fourth Proportional to 1,580,131.80, 2,370,197.70 and 1,265,203.80
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Solution
The fourth proportional to 1,580,131.80, 2,370,197.70 and 1,265,203.80 is: 1,897,805.70
Step by Step Solution
- Step 1: Write the proportion equation
1,580,131.80 : 2,370,197.70 = 1,265,203.80 : x - Step 2: Convert to fraction form
1,580,131.80/2,370,197.70 = 1,265,203.80/x - Step 3: Cross multiply
1,580,131.80x = 2,370,197.70 × 1,265,203.80 - Step 4: Simplify right side
1,580,131.80x = 2,998,783,136,791.26 - Step 5: Solve for x
x = 2,998,783,136,791.26/1,580,131.80 - Step 6: Final answer
x = 1,897,805.70
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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.