Finding the Fourth Proportional to 5,411,863.74, 7,465,540.50 and 3,346,219.02
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Solution
The fourth proportional to 5,411,863.74, 7,465,540.50 and 3,346,219.02 is: 4,616,031.52
Step by Step Solution
- Step 1: Write the proportion equation
5,411,863.74 : 7,465,540.50 = 3,346,219.02 : x - Step 2: Convert to fraction form
5,411,863.74/7,465,540.50 = 3,346,219.02/x - Step 3: Cross multiply
5,411,863.74x = 7,465,540.50 × 3,346,219.02 - Step 4: Simplify right side
5,411,863.74x = 24,981,333,615,680.31 - Step 5: Solve for x
x = 24,981,333,615,680.31/5,411,863.74 - Step 6: Final answer
x = 4,616,031.52
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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.