Finding the Fourth Proportional to 2,176,257.62, 3,258,227.16 and 1,663,335.02
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Solution
The fourth proportional to 2,176,257.62, 3,258,227.16 and 1,663,335.02 is: 2,490,294.94
Step by Step Solution
- Step 1: Write the proportion equation
2,176,257.62 : 3,258,227.16 = 1,663,335.02 : x - Step 2: Convert to fraction form
2,176,257.62/3,258,227.16 = 1,663,335.02/x - Step 3: Cross multiply
2,176,257.62x = 3,258,227.16 × 1,663,335.02 - Step 4: Simplify right side
2,176,257.62x = 5,419,523,338,343.14 - Step 5: Solve for x
x = 5,419,523,338,343.14/2,176,257.62 - Step 6: Final answer
x = 2,490,294.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.