Finding the Fourth Proportional to 2,637,630.47, 3,640,125.72 and 1,476,193.14
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Solution
The fourth proportional to 2,637,630.47, 3,640,125.72 and 1,476,193.14 is: 2,037,256.04
Step by Step Solution
- Step 1: Write the proportion equation
2,637,630.47 : 3,640,125.72 = 1,476,193.14 : x - Step 2: Convert to fraction form
2,637,630.47/3,640,125.72 = 1,476,193.14/x - Step 3: Cross multiply
2,637,630.47x = 3,640,125.72 × 1,476,193.14 - Step 4: Simplify right side
2,637,630.47x = 5,373,528,622,137.28 - Step 5: Solve for x
x = 5,373,528,622,137.28/2,637,630.47 - Step 6: Final answer
x = 2,037,256.04
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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.