Finding the Fourth Proportional to 1,934,042.20, 2,668,817.82 and 1,062,831.09
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Solution
The fourth proportional to 1,934,042.20, 2,668,817.82 and 1,062,831.09 is: 1,466,618.75
Step by Step Solution
- Step 1: Write the proportion equation
1,934,042.20 : 2,668,817.82 = 1,062,831.09 : x - Step 2: Convert to fraction form
1,934,042.20/2,668,817.82 = 1,062,831.09/x - Step 3: Cross multiply
1,934,042.20x = 2,668,817.82 × 1,062,831.09 - Step 4: Simplify right side
1,934,042.20x = 2,836,502,552,642.02 - Step 5: Solve for x
x = 2,836,502,552,642.02/1,934,042.20 - Step 6: Final answer
x = 1,466,618.75
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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.