Finding the Fourth Proportional to 2,974,013.80, 4,458,512.94 and 1,289,848.84
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Solution
The fourth proportional to 2,974,013.80, 4,458,512.94 and 1,289,848.84 is: 1,933,685.63
Step by Step Solution
- Step 1: Write the proportion equation
2,974,013.80 : 4,458,512.94 = 1,289,848.84 : x - Step 2: Convert to fraction form
2,974,013.80/4,458,512.94 = 1,289,848.84/x - Step 3: Cross multiply
2,974,013.80x = 4,458,512.94 × 1,289,848.84 - Step 4: Simplify right side
2,974,013.80x = 5,750,807,743,783.99 - Step 5: Solve for x
x = 5,750,807,743,783.99/2,974,013.80 - Step 6: Final answer
x = 1,933,685.63
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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.