Finding the Fourth Proportional to 2,186,512.30, 3,278,784.30 and 838,226.80
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Solution
The fourth proportional to 2,186,512.30, 3,278,784.30 and 838,226.80 is: 1,256,962.91
Step by Step Solution
- Step 1: Write the proportion equation
2,186,512.30 : 3,278,784.30 = 838,226.80 : x - Step 2: Convert to fraction form
2,186,512.30/3,278,784.30 = 838,226.80/x - Step 3: Cross multiply
2,186,512.30x = 3,278,784.30 × 838,226.80 - Step 4: Simplify right side
2,186,512.30x = 2,748,364,871,679.24 - Step 5: Solve for x
x = 2,748,364,871,679.24/2,186,512.30 - Step 6: Final answer
x = 1,256,962.91
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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.