Finding the Fourth Proportional to 4,042,138.60, 6,063,207.90 and 3,498,887.80
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Solution
The fourth proportional to 4,042,138.60, 6,063,207.90 and 3,498,887.80 is: 5,248,331.70
Step by Step Solution
- Step 1: Write the proportion equation
4,042,138.60 : 6,063,207.90 = 3,498,887.80 : x - Step 2: Convert to fraction form
4,042,138.60/6,063,207.90 = 3,498,887.80/x - Step 3: Cross multiply
4,042,138.60x = 6,063,207.90 × 3,498,887.80 - Step 4: Simplify right side
4,042,138.60x = 21,214,484,150,173.62 - Step 5: Solve for x
x = 21,214,484,150,173.62/4,042,138.60 - Step 6: Final answer
x = 5,248,331.70
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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.