Finding the Fourth Proportional to 6,787,638.42, 9,366,941.02 and 3,731,852.66
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Solution
The fourth proportional to 6,787,638.42, 9,366,941.02 and 3,731,852.66 is: 5,149,956.67
Step by Step Solution
- Step 1: Write the proportion equation
6,787,638.42 : 9,366,941.02 = 3,731,852.66 : x - Step 2: Convert to fraction form
6,787,638.42/9,366,941.02 = 3,731,852.66/x - Step 3: Cross multiply
6,787,638.42x = 9,366,941.02 × 3,731,852.66 - Step 4: Simplify right side
6,787,638.42x = 34,956,043,761,550.11 - Step 5: Solve for x
x = 34,956,043,761,550.11/6,787,638.42 - Step 6: Final answer
x = 5,149,956.67
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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.