Finding the Fourth Proportional to 5,521,256.12, 8,270,674.09 and 2,787,116.73
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Solution
The fourth proportional to 5,521,256.12, 8,270,674.09 and 2,787,116.73 is: 4,175,016.27
Step by Step Solution
- Step 1: Write the proportion equation
5,521,256.12 : 8,270,674.09 = 2,787,116.73 : x - Step 2: Convert to fraction form
5,521,256.12/8,270,674.09 = 2,787,116.73/x - Step 3: Cross multiply
5,521,256.12x = 8,270,674.09 × 2,787,116.73 - Step 4: Simplify right side
5,521,256.12x = 23,051,334,133,348.36 - Step 5: Solve for x
x = 23,051,334,133,348.36/5,521,256.12 - Step 6: Final answer
x = 4,175,016.27
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1.5x scale
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.