Finding the Fourth Proportional to 6,143,372.64, 8,479,540.49 and 3,565,883.79
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Solution
The fourth proportional to 6,143,372.64, 8,479,540.49 and 3,565,883.79 is: 4,921,898.40
Step by Step Solution
- Step 1: Write the proportion equation
6,143,372.64 : 8,479,540.49 = 3,565,883.79 : x - Step 2: Convert to fraction form
6,143,372.64/8,479,540.49 = 3,565,883.79/x - Step 3: Cross multiply
6,143,372.64x = 8,479,540.49 × 3,565,883.79 - Step 4: Simplify right side
6,143,372.64x = 30,237,055,962,110.24 - Step 5: Solve for x
x = 30,237,055,962,110.24/6,143,372.64 - Step 6: Final answer
x = 4,921,898.40
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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.