Finding the Fourth Proportional to 4,686,690.92, 6,467,328.36 and 2,621,348.66
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Solution
The fourth proportional to 4,686,690.92, 6,467,328.36 and 2,621,348.66 is: 3,617,290.50
Step by Step Solution
- Step 1: Write the proportion equation
4,686,690.92 : 6,467,328.36 = 2,621,348.66 : x - Step 2: Convert to fraction form
4,686,690.92/6,467,328.36 = 2,621,348.66/x - Step 3: Cross multiply
4,686,690.92x = 6,467,328.36 × 2,621,348.66 - Step 4: Simplify right side
4,686,690.92x = 16,953,122,546,434.32 - Step 5: Solve for x
x = 16,953,122,546,434.32/4,686,690.92 - Step 6: Final answer
x = 3,617,290.50
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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.