Finding the Fourth Proportional to 6,219,235.92, 8,579,613.24 and 3,639,334.08
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Solution
The fourth proportional to 6,219,235.92, 8,579,613.24 and 3,639,334.08 is: 5,020,565.11
Step by Step Solution
- Step 1: Write the proportion equation
6,219,235.92 : 8,579,613.24 = 3,639,334.08 : x - Step 2: Convert to fraction form
6,219,235.92/8,579,613.24 = 3,639,334.08/x - Step 3: Cross multiply
6,219,235.92x = 8,579,613.24 × 3,639,334.08 - Step 4: Simplify right side
6,219,235.92x = 31,224,078,857,551.22 - Step 5: Solve for x
x = 31,224,078,857,551.22/6,219,235.92 - Step 6: Final answer
x = 5,020,565.11
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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.