Finding the Fourth Proportional to 5,225,918.76, 7,211,581.92 and 2,934,176.04
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Solution
The fourth proportional to 5,225,918.76, 7,211,581.92 and 2,934,176.04 is: 4,049,058.52
Step by Step Solution
- Step 1: Write the proportion equation
5,225,918.76 : 7,211,581.92 = 2,934,176.04 : x - Step 2: Convert to fraction form
5,225,918.76/7,211,581.92 = 2,934,176.04/x - Step 3: Cross multiply
5,225,918.76x = 7,211,581.92 × 2,934,176.04 - Step 4: Simplify right side
5,225,918.76x = 21,160,050,880,161.20 - Step 5: Solve for x
x = 21,160,050,880,161.20/5,225,918.76 - Step 6: Final answer
x = 4,049,058.52
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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.