Finding the Fourth Proportional to 4,848,994.88, 6,690,129.24 and 2,811,397.76
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Solution
The fourth proportional to 4,848,994.88, 6,690,129.24 and 2,811,397.76 is: 3,878,868.68
Step by Step Solution
- Step 1: Write the proportion equation
4,848,994.88 : 6,690,129.24 = 2,811,397.76 : x - Step 2: Convert to fraction form
4,848,994.88/6,690,129.24 = 2,811,397.76/x - Step 3: Cross multiply
4,848,994.88x = 6,690,129.24 × 2,811,397.76 - Step 4: Simplify right side
4,848,994.88x = 18,808,614,359,446.50 - Step 5: Solve for x
x = 18,808,614,359,446.50/4,848,994.88 - Step 6: Final answer
x = 3,878,868.68
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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.