Finding the Fourth Proportional to 5,920,140.74, 8,169,794.10 and 3,203,886.74
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Solution
The fourth proportional to 5,920,140.74, 8,169,794.10 and 3,203,886.74 is: 4,421,363.64
Step by Step Solution
- Step 1: Write the proportion equation
5,920,140.74 : 8,169,794.10 = 3,203,886.74 : x - Step 2: Convert to fraction form
5,920,140.74/8,169,794.10 = 3,203,886.74/x - Step 3: Cross multiply
5,920,140.74x = 8,169,794.10 × 3,203,886.74 - Step 4: Simplify right side
5,920,140.74x = 26,175,094,985,520.23 - Step 5: Solve for x
x = 26,175,094,985,520.23/5,920,140.74 - Step 6: Final answer
x = 4,421,363.64
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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.