Finding the Fourth Proportional to 7,479,146.44, 11,223,767.58 and 2,929,630.90
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Solution
The fourth proportional to 7,479,146.44, 11,223,767.58 and 2,929,630.90 is: 4,396,423.65
Step by Step Solution
- Step 1: Write the proportion equation
7,479,146.44 : 11,223,767.58 = 2,929,630.90 : x - Step 2: Convert to fraction form
7,479,146.44/11,223,767.58 = 2,929,630.90/x - Step 3: Cross multiply
7,479,146.44x = 11,223,767.58 × 2,929,630.90 - Step 4: Simplify right side
7,479,146.44x = 32,881,496,316,786.22 - Step 5: Solve for x
x = 32,881,496,316,786.22/7,479,146.44 - Step 6: Final answer
x = 4,396,423.65
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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.