Finding the Fourth Proportional to 2,725,702.49, 3,761,417.75 and 1,502,121.11
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Solution
The fourth proportional to 2,725,702.49, 3,761,417.75 and 1,502,121.11 is: 2,072,898.64
Step by Step Solution
- Step 1: Write the proportion equation
2,725,702.49 : 3,761,417.75 = 1,502,121.11 : x - Step 2: Convert to fraction form
2,725,702.49/3,761,417.75 = 1,502,121.11/x - Step 3: Cross multiply
2,725,702.49x = 3,761,417.75 × 1,502,121.11 - Step 4: Simplify right side
2,725,702.49x = 5,650,104,979,486.01 - Step 5: Solve for x
x = 5,650,104,979,486.01/2,725,702.49 - Step 6: Final answer
x = 2,072,898.64
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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.