Finding the Fourth Proportional to 5,656,129.16, 8,498,366.22 and 5,316,006.92
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Solution
The fourth proportional to 5,656,129.16, 8,498,366.22 and 5,316,006.92 is: 7,987,330.62
Step by Step Solution
- Step 1: Write the proportion equation
5,656,129.16 : 8,498,366.22 = 5,316,006.92 : x - Step 2: Convert to fraction form
5,656,129.16/8,498,366.22 = 5,316,006.92/x - Step 3: Cross multiply
5,656,129.16x = 8,498,366.22 × 5,316,006.92 - Step 4: Simplify right side
5,656,129.16x = 45,177,373,634,214.24 - Step 5: Solve for x
x = 45,177,373,634,214.24/5,656,129.16 - Step 6: Final answer
x = 7,987,330.62
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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.