Finding the Fourth Proportional to 5,299,893.84, 7,313,854.70 and 2,885,445.84
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Solution
The fourth proportional to 5,299,893.84, 7,313,854.70 and 2,885,445.84 is: 3,981,915.91
Step by Step Solution
- Step 1: Write the proportion equation
5,299,893.84 : 7,313,854.70 = 2,885,445.84 : x - Step 2: Convert to fraction form
5,299,893.84/7,313,854.70 = 2,885,445.84/x - Step 3: Cross multiply
5,299,893.84x = 7,313,854.70 × 2,885,445.84 - Step 4: Simplify right side
5,299,893.84x = 21,103,731,618,479.45 - Step 5: Solve for x
x = 21,103,731,618,479.45/5,299,893.84 - Step 6: Final answer
x = 3,981,915.91
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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.