Finding the Fourth Proportional to 6,330,161.84, 8,735,611.52 and 3,429,624.80
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Solution
The fourth proportional to 6,330,161.84, 8,735,611.52 and 3,429,624.80 is: 4,732,875.82
Step by Step Solution
- Step 1: Write the proportion equation
6,330,161.84 : 8,735,611.52 = 3,429,624.80 : x - Step 2: Convert to fraction form
6,330,161.84/8,735,611.52 = 3,429,624.80/x - Step 3: Cross multiply
6,330,161.84x = 8,735,611.52 × 3,429,624.80 - Step 4: Simplify right side
6,330,161.84x = 29,959,869,912,157.69 - Step 5: Solve for x
x = 29,959,869,912,157.69/6,330,161.84 - Step 6: Final answer
x = 4,732,875.82
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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.