Finding the Fourth Proportional to 2,029,714.01, 2,801,005.08 and 1,213,917.57
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Solution
The fourth proportional to 2,029,714.01, 2,801,005.08 and 1,213,917.57 is: 1,675,206.09
Step by Step Solution
- Step 1: Write the proportion equation
2,029,714.01 : 2,801,005.08 = 1,213,917.57 : x - Step 2: Convert to fraction form
2,029,714.01/2,801,005.08 = 1,213,917.57/x - Step 3: Cross multiply
2,029,714.01x = 2,801,005.08 × 1,213,917.57 - Step 4: Simplify right side
2,029,714.01x = 3,400,189,280,271.26 - Step 5: Solve for x
x = 3,400,189,280,271.26/2,029,714.01 - Step 6: Final answer
x = 1,675,206.09
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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.