Finding the Fourth Proportional to 2,166,705.06, 2,990,048.04 and 1,248,928.08
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Solution
The fourth proportional to 2,166,705.06, 2,990,048.04 and 1,248,928.08 is: 1,723,517.90
Step by Step Solution
- Step 1: Write the proportion equation
2,166,705.06 : 2,990,048.04 = 1,248,928.08 : x - Step 2: Convert to fraction form
2,166,705.06/2,990,048.04 = 1,248,928.08/x - Step 3: Cross multiply
2,166,705.06x = 2,990,048.04 × 1,248,928.08 - Step 4: Simplify right side
2,166,705.06x = 3,734,354,957,704.96 - Step 5: Solve for x
x = 3,734,354,957,704.96/2,166,705.06 - Step 6: Final answer
x = 1,723,517.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.