Finding the Fourth Proportional to 5,911,880.68, 8,158,391.64 and 3,195,626.68
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Solution
The fourth proportional to 5,911,880.68, 8,158,391.64 and 3,195,626.68 is: 4,409,962.82
Step by Step Solution
- Step 1: Write the proportion equation
5,911,880.68 : 8,158,391.64 = 3,195,626.68 : x - Step 2: Convert to fraction form
5,911,880.68/8,158,391.64 = 3,195,626.68/x - Step 3: Cross multiply
5,911,880.68x = 8,158,391.64 × 3,195,626.68 - Step 4: Simplify right side
5,911,880.68x = 26,071,173,990,672.96 - Step 5: Solve for x
x = 26,071,173,990,672.96/5,911,880.68 - Step 6: Final answer
x = 4,409,962.82
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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.