Finding the Fourth Proportional to 3,118,138.62, 4,677,218.76 and 959,149.08
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Solution
The fourth proportional to 3,118,138.62, 4,677,218.76 and 959,149.08 is: 1,438,726.95
Step by Step Solution
- Step 1: Write the proportion equation
3,118,138.62 : 4,677,218.76 = 959,149.08 : x - Step 2: Convert to fraction form
3,118,138.62/4,677,218.76 = 959,149.08/x - Step 3: Cross multiply
3,118,138.62x = 4,677,218.76 × 959,149.08 - Step 4: Simplify right side
3,118,138.62x = 4,486,150,070,612.74 - Step 5: Solve for x
x = 4,486,150,070,612.74/3,118,138.62 - Step 6: Final answer
x = 1,438,726.95
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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.