Finding the Fourth Proportional to 2,901,642.12, 4,344,250.98 and 2,217,745.35
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Solution
The fourth proportional to 2,901,642.12, 4,344,250.98 and 2,217,745.35 is: 3,320,341.38
Step by Step Solution
- Step 1: Write the proportion equation
2,901,642.12 : 4,344,250.98 = 2,217,745.35 : x - Step 2: Convert to fraction form
2,901,642.12/4,344,250.98 = 2,217,745.35/x - Step 3: Cross multiply
2,901,642.12x = 4,344,250.98 × 2,217,745.35 - Step 4: Simplify right side
2,901,642.12x = 9,634,442,410,127.95 - Step 5: Solve for x
x = 9,634,442,410,127.95/2,901,642.12 - Step 6: Final answer
x = 3,320,341.38
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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.