Finding the Fourth Proportional to 3,132,536.91, 4,698,809.08 and 858,080.91
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Solution
The fourth proportional to 3,132,536.91, 4,698,809.08 and 858,080.91 is: 1,287,122.39
Step by Step Solution
- Step 1: Write the proportion equation
3,132,536.91 : 4,698,809.08 = 858,080.91 : x - Step 2: Convert to fraction form
3,132,536.91/4,698,809.08 = 858,080.91/x - Step 3: Cross multiply
3,132,536.91x = 4,698,809.08 × 858,080.91 - Step 4: Simplify right side
3,132,536.91x = 4,031,958,386,757.99 - Step 5: Solve for x
x = 4,031,958,386,757.99/3,132,536.91 - Step 6: Final answer
x = 1,287,122.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.