Finding the Fourth Proportional to 1,901,135.80, 2,851,703.70 and 571,439.80
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Solution
The fourth proportional to 1,901,135.80, 2,851,703.70 and 571,439.80 is: 857,159.70
Step by Step Solution
- Step 1: Write the proportion equation
1,901,135.80 : 2,851,703.70 = 571,439.80 : x - Step 2: Convert to fraction form
1,901,135.80/2,851,703.70 = 571,439.80/x - Step 3: Cross multiply
1,901,135.80x = 2,851,703.70 × 571,439.80 - Step 4: Simplify right side
1,901,135.80x = 1,629,576,991,987.26 - Step 5: Solve for x
x = 1,629,576,991,987.26/1,901,135.80 - Step 6: Final answer
x = 857,159.70
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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.