Finding the Fourth Proportional to 6,363,837.09, 8,782,292.57 and 3,610,639.80
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Solution
The fourth proportional to 6,363,837.09, 8,782,292.57 and 3,610,639.80 is: 4,982,794.91
Step by Step Solution
- Step 1: Write the proportion equation
6,363,837.09 : 8,782,292.57 = 3,610,639.80 : x - Step 2: Convert to fraction form
6,363,837.09/8,782,292.57 = 3,610,639.80/x - Step 3: Cross multiply
6,363,837.09x = 8,782,292.57 × 3,610,639.80 - Step 4: Simplify right side
6,363,837.09x = 31,709,695,070,433.08 - Step 5: Solve for x
x = 31,709,695,070,433.08/6,363,837.09 - Step 6: Final answer
x = 4,982,794.91
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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.