Finding the Fourth Proportional to 4,647,508.97, 6,411,572.69 and 2,902,148.20
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Solution
The fourth proportional to 4,647,508.97, 6,411,572.69 and 2,902,148.20 is: 4,003,722.06
Step by Step Solution
- Step 1: Write the proportion equation
4,647,508.97 : 6,411,572.69 = 2,902,148.20 : x - Step 2: Convert to fraction form
4,647,508.97/6,411,572.69 = 2,902,148.20/x - Step 3: Cross multiply
4,647,508.97x = 6,411,572.69 × 2,902,148.20 - Step 4: Simplify right side
4,647,508.97x = 18,607,334,148,708.03 - Step 5: Solve for x
x = 18,607,334,148,708.03/4,647,508.97 - Step 6: Final answer
x = 4,003,722.06
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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.