Finding the Fourth Proportional to 4,473,880.47, 6,174,656.26 and 2,638,540.49
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Solution
The fourth proportional to 4,473,880.47, 6,174,656.26 and 2,638,540.49 is: 3,641,599.42
Step by Step Solution
- Step 1: Write the proportion equation
4,473,880.47 : 6,174,656.26 = 2,638,540.49 : x - Step 2: Convert to fraction form
4,473,880.47/6,174,656.26 = 2,638,540.49/x - Step 3: Cross multiply
4,473,880.47x = 6,174,656.26 × 2,638,540.49 - Step 4: Simplify right side
4,473,880.47x = 16,292,080,516,372.33 - Step 5: Solve for x
x = 16,292,080,516,372.33/4,473,880.47 - Step 6: Final answer
x = 3,641,599.42
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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.