Finding the Fourth Proportional to 4,176,912.40, 6,265,368.60 and 1,337,117.20
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Solution
The fourth proportional to 4,176,912.40, 6,265,368.60 and 1,337,117.20 is: 2,005,675.80
Step by Step Solution
- Step 1: Write the proportion equation
4,176,912.40 : 6,265,368.60 = 1,337,117.20 : x - Step 2: Convert to fraction form
4,176,912.40/6,265,368.60 = 1,337,117.20/x - Step 3: Cross multiply
4,176,912.40x = 6,265,368.60 × 1,337,117.20 - Step 4: Simplify right side
4,176,912.40x = 8,377,532,119,399.92 - Step 5: Solve for x
x = 8,377,532,119,399.92/4,176,912.40 - Step 6: Final answer
x = 2,005,675.80
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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.