Finding the Fourth Proportional to 2,948,389.29, 4,422,608.55 and 818,639.49
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Solution
The fourth proportional to 2,948,389.29, 4,422,608.55 and 818,639.49 is: 1,227,966.07
Step by Step Solution
- Step 1: Write the proportion equation
2,948,389.29 : 4,422,608.55 = 818,639.49 : x - Step 2: Convert to fraction form
2,948,389.29/4,422,608.55 = 818,639.49/x - Step 3: Cross multiply
2,948,389.29x = 4,422,608.55 × 818,639.49 - Step 4: Simplify right side
2,948,389.29x = 3,620,522,007,841.64 - Step 5: Solve for x
x = 3,620,522,007,841.64/2,948,389.29 - Step 6: Final answer
x = 1,227,966.07
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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.