Finding the Fourth Proportional to 1,593,476.10, 2,198,811.60 and 972,969.12
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Solution
The fourth proportional to 1,593,476.10, 2,198,811.60 and 972,969.12 is: 1,342,584.17
Step by Step Solution
- Step 1: Write the proportion equation
1,593,476.10 : 2,198,811.60 = 972,969.12 : x - Step 2: Convert to fraction form
1,593,476.10/2,198,811.60 = 972,969.12/x - Step 3: Cross multiply
1,593,476.10x = 2,198,811.60 × 972,969.12 - Step 4: Simplify right side
1,593,476.10x = 2,139,375,787,497.79 - Step 5: Solve for x
x = 2,139,375,787,497.79/1,593,476.10 - Step 6: Final answer
x = 1,342,584.17
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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.