Finding the Fourth Proportional to 4,199,637, 5,797,290.48 and 2,823,778.20
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Solution
The fourth proportional to 4,199,637, 5,797,290.48 and 2,823,778.20 is: 3,898,018.44
Step by Step Solution
- Step 1: Write the proportion equation
4,199,637 : 5,797,290.48 = 2,823,778.20 : x - Step 2: Convert to fraction form
4,199,637/5,797,290.48 = 2,823,778.20/x - Step 3: Cross multiply
4,199,637x = 5,797,290.48 × 2,823,778.20 - Step 4: Simplify right side
4,199,637x = 16,370,262,476,491.54 - Step 5: Solve for x
x = 16,370,262,476,491.54/4,199,637 - Step 6: Final answer
x = 3,898,018.44
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1.5x scale
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.