Finding the Fourth Proportional to 4,850,671.60, 7,274,766.33 and 1,438,160.23
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Solution
The fourth proportional to 4,850,671.60, 7,274,766.33 and 1,438,160.23 is: 2,156,872.38
Step by Step Solution
- Step 1: Write the proportion equation
4,850,671.60 : 7,274,766.33 = 1,438,160.23 : x - Step 2: Convert to fraction form
4,850,671.60/7,274,766.33 = 1,438,160.23/x - Step 3: Cross multiply
4,850,671.60x = 7,274,766.33 × 1,438,160.23 - Step 4: Simplify right side
4,850,671.60x = 10,462,279,618,349.06 - Step 5: Solve for x
x = 10,462,279,618,349.06/4,850,671.60 - Step 6: Final answer
x = 2,156,872.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.