Finding the Fourth Proportional to 1,585,302.99, 2,174,266.77 and 1,520,200.95
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Solution
The fourth proportional to 1,585,302.99, 2,174,266.77 and 1,520,200.95 is: 2,084,978.35
Step by Step Solution
- Step 1: Write the proportion equation
1,585,302.99 : 2,174,266.77 = 1,520,200.95 : x - Step 2: Convert to fraction form
1,585,302.99/2,174,266.77 = 1,520,200.95/x - Step 3: Cross multiply
1,585,302.99x = 2,174,266.77 × 1,520,200.95 - Step 4: Simplify right side
1,585,302.99x = 3,305,322,409,307.43 - Step 5: Solve for x
x = 3,305,322,409,307.43/1,585,302.99 - Step 6: Final answer
x = 2,084,978.35
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.