Finding the Fourth Proportional to 4,000,395.16, 5,520,559.26 and 2,164,852.99
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Solution
The fourth proportional to 4,000,395.16, 5,520,559.26 and 2,164,852.99 is: 2,987,504.66
Step by Step Solution
- Step 1: Write the proportion equation
4,000,395.16 : 5,520,559.26 = 2,164,852.99 : x - Step 2: Convert to fraction form
4,000,395.16/5,520,559.26 = 2,164,852.99/x - Step 3: Cross multiply
4,000,395.16x = 5,520,559.26 × 2,164,852.99 - Step 4: Simplify right side
4,000,395.16x = 11,951,199,192,880.39 - Step 5: Solve for x
x = 11,951,199,192,880.39/4,000,395.16 - Step 6: Final answer
x = 2,987,504.66
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1.5x scale
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.