Finding the Fourth Proportional to 1,591,021.30, 2,195,594.61 and 865,869.94
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Solution
The fourth proportional to 1,591,021.30, 2,195,594.61 and 865,869.94 is: 1,194,892.47
Step by Step Solution
- Step 1: Write the proportion equation
1,591,021.30 : 2,195,594.61 = 865,869.94 : x - Step 2: Convert to fraction form
1,591,021.30/2,195,594.61 = 865,869.94/x - Step 3: Cross multiply
1,591,021.30x = 2,195,594.61 × 865,869.94 - Step 4: Simplify right side
1,591,021.30x = 1,901,099,373,225.02 - Step 5: Solve for x
x = 1,901,099,373,225.02/1,591,021.30 - Step 6: Final answer
x = 1,194,892.47
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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.