Finding the Fourth Proportional to 1,618,575.42, 2,233,634.19 and 893,423.31
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Solution
The fourth proportional to 1,618,575.42, 2,233,634.19 and 893,423.31 is: 1,232,924.23
Step by Step Solution
- Step 1: Write the proportion equation
1,618,575.42 : 2,233,634.19 = 893,423.31 : x - Step 2: Convert to fraction form
1,618,575.42/2,233,634.19 = 893,423.31/x - Step 3: Cross multiply
1,618,575.42x = 2,233,634.19 × 893,423.31 - Step 4: Simplify right side
1,618,575.42x = 1,995,580,851,358.97 - Step 5: Solve for x
x = 1,995,580,851,358.97/1,618,575.42 - Step 6: Final answer
x = 1,232,924.23
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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.