Finding the Fourth Proportional to 1,615,415.26, 2,229,281.91 and 927,032.38
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Solution
The fourth proportional to 1,615,415.26, 2,229,281.91 and 927,032.38 is: 1,279,309.76
Step by Step Solution
- Step 1: Write the proportion equation
1,615,415.26 : 2,229,281.91 = 927,032.38 : x - Step 2: Convert to fraction form
1,615,415.26/2,229,281.91 = 927,032.38/x - Step 3: Cross multiply
1,615,415.26x = 2,229,281.91 × 927,032.38 - Step 4: Simplify right side
1,615,415.26x = 2,066,616,514,718.25 - Step 5: Solve for x
x = 2,066,616,514,718.25/1,615,415.26 - Step 6: Final answer
x = 1,279,309.76
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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.