Finding the Fourth Proportional to 6,492,190.40, 8,957,613.12 and 4,197,590
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Solution
The fourth proportional to 6,492,190.40, 8,957,613.12 and 4,197,590 is: 5,791,633.48
Step by Step Solution
- Step 1: Write the proportion equation
6,492,190.40 : 8,957,613.12 = 4,197,590 : x - Step 2: Convert to fraction form
6,492,190.40/8,957,613.12 = 4,197,590/x - Step 3: Cross multiply
6,492,190.40x = 8,957,613.12 × 4,197,590 - Step 4: Simplify right side
6,492,190.40x = 37,600,387,256,380.80 - Step 5: Solve for x
x = 37,600,387,256,380.80/6,492,190.40 - Step 6: Final answer
x = 5,791,633.48
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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.