Finding the Fourth Proportional to 6,330,056.18, 8,735,519.43 and 3,429,447.08
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Solution
The fourth proportional to 6,330,056.18, 8,735,519.43 and 3,429,447.08 is: 4,732,659.67
Step by Step Solution
- Step 1: Write the proportion equation
6,330,056.18 : 8,735,519.43 = 3,429,447.08 : x - Step 2: Convert to fraction form
6,330,056.18/8,735,519.43 = 3,429,447.08/x - Step 3: Cross multiply
6,330,056.18x = 8,735,519.43 × 3,429,447.08 - Step 4: Simplify right side
6,330,056.18x = 29,958,001,557,819.17 - Step 5: Solve for x
x = 29,958,001,557,819.17/6,330,056.18 - Step 6: Final answer
x = 4,732,659.67
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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.