Finding the Fourth Proportional to 5,395,443.86, 7,445,490.96 and 2,948,138.92
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Solution
The fourth proportional to 5,395,443.86, 7,445,490.96 and 2,948,138.92 is: 4,068,310.64
Step by Step Solution
- Step 1: Write the proportion equation
5,395,443.86 : 7,445,490.96 = 2,948,138.92 : x - Step 2: Convert to fraction form
5,395,443.86/7,445,490.96 = 2,948,138.92/x - Step 3: Cross multiply
5,395,443.86x = 7,445,490.96 × 2,948,138.92 - Step 4: Simplify right side
5,395,443.86x = 21,950,341,670,125.96 - Step 5: Solve for x
x = 21,950,341,670,125.96/5,395,443.86 - Step 6: Final answer
x = 4,068,310.64
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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.