Finding the Fourth Proportional to 1,589,661.05, 2,193,684.02 and 901,395.74
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Solution
The fourth proportional to 1,589,661.05, 2,193,684.02 and 901,395.74 is: 1,243,898.78
Step by Step Solution
- Step 1: Write the proportion equation
1,589,661.05 : 2,193,684.02 = 901,395.74 : x - Step 2: Convert to fraction form
1,589,661.05/2,193,684.02 = 901,395.74/x - Step 3: Cross multiply
1,589,661.05x = 2,193,684.02 × 901,395.74 - Step 4: Simplify right side
1,589,661.05x = 1,977,377,434,891.54 - Step 5: Solve for x
x = 1,977,377,434,891.54/1,589,661.05 - Step 6: Final answer
x = 1,243,898.78
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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.