Finding the Fourth Proportional to 5,277,641.73, 7,283,831.61 and 2,955,418.44
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Solution
The fourth proportional to 5,277,641.73, 7,283,831.61 and 2,955,418.44 is: 4,078,861.61
Step by Step Solution
- Step 1: Write the proportion equation
5,277,641.73 : 7,283,831.61 = 2,955,418.44 : x - Step 2: Convert to fraction form
5,277,641.73/7,283,831.61 = 2,955,418.44/x - Step 3: Cross multiply
5,277,641.73x = 7,283,831.61 × 2,955,418.44 - Step 4: Simplify right side
5,277,641.73x = 21,526,770,254,048.89 - Step 5: Solve for x
x = 21,526,770,254,048.89/5,277,641.73 - Step 6: Final answer
x = 4,078,861.61
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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.