Finding the Fourth Proportional to 5,430,904.44, 7,493,815.08 and 3,138,622.80
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Solution
The fourth proportional to 5,430,904.44, 7,493,815.08 and 3,138,622.80 is: 4,330,818.03
Step by Step Solution
- Step 1: Write the proportion equation
5,430,904.44 : 7,493,815.08 = 3,138,622.80 : x - Step 2: Convert to fraction form
5,430,904.44/7,493,815.08 = 3,138,622.80/x - Step 3: Cross multiply
5,430,904.44x = 7,493,815.08 × 3,138,622.80 - Step 4: Simplify right side
5,430,904.44x = 23,520,258,869,071.82 - Step 5: Solve for x
x = 23,520,258,869,071.82/5,430,904.44 - Step 6: Final answer
x = 4,330,818.03
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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.