Finding the Fourth Proportional to 1,590,564.24, 2,194,912.76 and 865,414.71
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Solution
The fourth proportional to 1,590,564.24, 2,194,912.76 and 865,414.71 is: 1,194,236.45
Step by Step Solution
- Step 1: Write the proportion equation
1,590,564.24 : 2,194,912.76 = 865,414.71 : x - Step 2: Convert to fraction form
1,590,564.24/2,194,912.76 = 865,414.71/x - Step 3: Cross multiply
1,590,564.24x = 2,194,912.76 × 865,414.71 - Step 4: Simplify right side
1,590,564.24x = 1,899,509,785,343.63 - Step 5: Solve for x
x = 1,899,509,785,343.63/1,590,564.24 - Step 6: Final answer
x = 1,194,236.45
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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.