Finding the Fourth Proportional to 5,225,921.01, 7,211,585.12 and 2,934,178.29
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Solution
The fourth proportional to 5,225,921.01, 7,211,585.12 and 2,934,178.29 is: 4,049,061.68
Step by Step Solution
- Step 1: Write the proportion equation
5,225,921.01 : 7,211,585.12 = 2,934,178.29 : x - Step 2: Convert to fraction form
5,225,921.01/7,211,585.12 = 2,934,178.29/x - Step 3: Cross multiply
5,225,921.01x = 7,211,585.12 × 2,934,178.29 - Step 4: Simplify right side
5,225,921.01x = 21,160,076,480,920.15 - Step 5: Solve for x
x = 21,160,076,480,920.15/5,225,921.01 - Step 6: Final answer
x = 4,049,061.68
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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.