Finding the Fourth Proportional to 5,506,755.21, 8,257,296.51 and 2,471,519.07
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Solution
The fourth proportional to 5,506,755.21, 8,257,296.51 and 2,471,519.07 is: 3,706,005.63
Step by Step Solution
- Step 1: Write the proportion equation
5,506,755.21 : 8,257,296.51 = 2,471,519.07 : x - Step 2: Convert to fraction form
5,506,755.21/8,257,296.51 = 2,471,519.07/x - Step 3: Cross multiply
5,506,755.21x = 8,257,296.51 × 2,471,519.07 - Step 4: Simplify right side
5,506,755.21x = 20,408,065,791,109.45 - Step 5: Solve for x
x = 20,408,065,791,109.45/5,506,755.21 - Step 6: Final answer
x = 3,706,005.63
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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.