Finding the Fourth Proportional to 1,514,359.67, 2,271,977.71 and 489,668.09
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Solution
The fourth proportional to 1,514,359.67, 2,271,977.71 and 489,668.09 is: 734,643.82
Step by Step Solution
- Step 1: Write the proportion equation
1,514,359.67 : 2,271,977.71 = 489,668.09 : x - Step 2: Convert to fraction form
1,514,359.67/2,271,977.71 = 489,668.09/x - Step 3: Cross multiply
1,514,359.67x = 2,271,977.71 × 489,668.09 - Step 4: Simplify right side
1,514,359.67x = 1,112,514,973,194.22 - Step 5: Solve for x
x = 1,112,514,973,194.22/1,514,359.67 - Step 6: Final answer
x = 734,643.82
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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.