Finding the Fourth Proportional to 2,872,078.40, 4,302,212.70 and 1,974,533.60
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Solution
The fourth proportional to 2,872,078.40, 4,302,212.70 and 1,974,533.60 is: 2,957,740.82
Step by Step Solution
- Step 1: Write the proportion equation
2,872,078.40 : 4,302,212.70 = 1,974,533.60 : x - Step 2: Convert to fraction form
2,872,078.40/4,302,212.70 = 1,974,533.60/x - Step 3: Cross multiply
2,872,078.40x = 4,302,212.70 × 1,974,533.60 - Step 4: Simplify right side
2,872,078.40x = 8,494,863,530,496.72 - Step 5: Solve for x
x = 8,494,863,530,496.72/2,872,078.40 - Step 6: Final answer
x = 2,957,740.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.