Finding the Fourth Proportional to 4,709,349.60, 6,498,915.12 and 2,672,153.76
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Solution
The fourth proportional to 4,709,349.60, 6,498,915.12 and 2,672,153.76 is: 3,687,579.38
Step by Step Solution
- Step 1: Write the proportion equation
4,709,349.60 : 6,498,915.12 = 2,672,153.76 : x - Step 2: Convert to fraction form
4,709,349.60/6,498,915.12 = 2,672,153.76/x - Step 3: Cross multiply
4,709,349.60x = 6,498,915.12 × 2,672,153.76 - Step 4: Simplify right side
4,709,349.60x = 17,366,100,473,828.85 - Step 5: Solve for x
x = 17,366,100,473,828.85/4,709,349.60 - Step 6: Final answer
x = 3,687,579.38
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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.