Finding the Fourth Proportional to 1,851,862.75, 2,556,444.35 and 1,393,152.41
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Solution
The fourth proportional to 1,851,862.75, 2,556,444.35 and 1,393,152.41 is: 1,923,207.66
Step by Step Solution
- Step 1: Write the proportion equation
1,851,862.75 : 2,556,444.35 = 1,393,152.41 : x - Step 2: Convert to fraction form
1,851,862.75/2,556,444.35 = 1,393,152.41/x - Step 3: Cross multiply
1,851,862.75x = 2,556,444.35 × 1,393,152.41 - Step 4: Simplify right side
1,851,862.75x = 3,561,516,617,107.38 - Step 5: Solve for x
x = 3,561,516,617,107.38/1,851,862.75 - Step 6: Final answer
x = 1,923,207.66
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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.