Finding the Fourth Proportional to 4,672,881.64, 6,446,992.74 and 3,811,953.64
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Solution
The fourth proportional to 4,672,881.64, 6,446,992.74 and 3,811,953.64 is: 5,259,203.92
Step by Step Solution
- Step 1: Write the proportion equation
4,672,881.64 : 6,446,992.74 = 3,811,953.64 : x - Step 2: Convert to fraction form
4,672,881.64/6,446,992.74 = 3,811,953.64/x - Step 3: Cross multiply
4,672,881.64x = 6,446,992.74 × 3,811,953.64 - Step 4: Simplify right side
4,672,881.64x = 24,575,637,442,296.57 - Step 5: Solve for x
x = 24,575,637,442,296.57/4,672,881.64 - Step 6: Final answer
x = 5,259,203.92
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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.