Finding the Fourth Proportional to 4,621,190.82, 6,376,752.51 and 2,555,878.20
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Solution
The fourth proportional to 4,621,190.82, 6,376,752.51 and 2,555,878.20 is: 3,526,840.45
Step by Step Solution
- Step 1: Write the proportion equation
4,621,190.82 : 6,376,752.51 = 2,555,878.20 : x - Step 2: Convert to fraction form
4,621,190.82/6,376,752.51 = 2,555,878.20/x - Step 3: Cross multiply
4,621,190.82x = 6,376,752.51 × 2,555,878.20 - Step 4: Simplify right side
4,621,190.82x = 16,298,202,727,104.28 - Step 5: Solve for x
x = 16,298,202,727,104.28/4,621,190.82 - Step 6: Final answer
x = 3,526,840.45
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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.