Finding the Fourth Proportional to 6,143,383.64, 8,479,555.66 and 3,565,894.80
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Solution
The fourth proportional to 6,143,383.64, 8,479,555.66 and 3,565,894.80 is: 4,921,913.59
Step by Step Solution
- Step 1: Write the proportion equation
6,143,383.64 : 8,479,555.66 = 3,565,894.80 : x - Step 2: Convert to fraction form
6,143,383.64/8,479,555.66 = 3,565,894.80/x - Step 3: Cross multiply
6,143,383.64x = 8,479,555.66 × 3,565,894.80 - Step 4: Simplify right side
6,143,383.64x = 30,237,203,434,304.57 - Step 5: Solve for x
x = 30,237,203,434,304.57/6,143,383.64 - Step 6: Final answer
x = 4,921,913.59
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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.