Finding the Fourth Proportional to 2,077,971.60, 3,117,054.60 and 658,138.80
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Solution
The fourth proportional to 2,077,971.60, 3,117,054.60 and 658,138.80 is: 987,238.99
Step by Step Solution
- Step 1: Write the proportion equation
2,077,971.60 : 3,117,054.60 = 658,138.80 : x - Step 2: Convert to fraction form
2,077,971.60/3,117,054.60 = 658,138.80/x - Step 3: Cross multiply
2,077,971.60x = 3,117,054.60 × 658,138.80 - Step 4: Simplify right side
2,077,971.60x = 2,051,454,573,978.48 - Step 5: Solve for x
x = 2,051,454,573,978.48/2,077,971.60 - Step 6: Final answer
x = 987,238.99
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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.