Finding the Fourth Proportional to 1,718,883.53, 2,370,433.31 and 1,129,141.76
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Solution
The fourth proportional to 1,718,883.53, 2,370,433.31 and 1,129,141.76 is: 1,557,147.53
Step by Step Solution
- Step 1: Write the proportion equation
1,718,883.53 : 2,370,433.31 = 1,129,141.76 : x - Step 2: Convert to fraction form
1,718,883.53/2,370,433.31 = 1,129,141.76/x - Step 3: Cross multiply
1,718,883.53x = 2,370,433.31 × 1,129,141.76 - Step 4: Simplify right side
1,718,883.53x = 2,676,555,239,616.03 - Step 5: Solve for x
x = 2,676,555,239,616.03/1,718,883.53 - Step 6: Final answer
x = 1,557,147.53
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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.