Finding the Fourth Proportional to 2,660,485.62, 3,989,887.56 and 954,590.79
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Solution
The fourth proportional to 2,660,485.62, 3,989,887.56 and 954,590.79 is: 1,431,584.48
Step by Step Solution
- Step 1: Write the proportion equation
2,660,485.62 : 3,989,887.56 = 954,590.79 : x - Step 2: Convert to fraction form
2,660,485.62/3,989,887.56 = 954,590.79/x - Step 3: Cross multiply
2,660,485.62x = 3,989,887.56 × 954,590.79 - Step 4: Simplify right side
2,660,485.62x = 3,808,709,917,911.57 - Step 5: Solve for x
x = 3,808,709,917,911.57/2,660,485.62 - Step 6: Final answer
x = 1,431,584.48
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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.