Finding the Fourth Proportional to 1,331,061.18, 1,836,864.99 and 727,449.18
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Solution
The fourth proportional to 1,331,061.18, 1,836,864.99 and 727,449.18 is: 1,003,880.18
Step by Step Solution
- Step 1: Write the proportion equation
1,331,061.18 : 1,836,864.99 = 727,449.18 : x - Step 2: Convert to fraction form
1,331,061.18/1,836,864.99 = 727,449.18/x - Step 3: Cross multiply
1,331,061.18x = 1,836,864.99 × 727,449.18 - Step 4: Simplify right side
1,331,061.18x = 1,336,225,930,746.21 - Step 5: Solve for x
x = 1,336,225,930,746.21/1,331,061.18 - Step 6: Final answer
x = 1,003,880.18
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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.