Finding the Fourth Proportional to 5,378,230.70, 8,064,235.65 and 2,012,777.90
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Solution
The fourth proportional to 5,378,230.70, 8,064,235.65 and 2,012,777.90 is: 3,018,002.80
Step by Step Solution
- Step 1: Write the proportion equation
5,378,230.70 : 8,064,235.65 = 2,012,777.90 : x - Step 2: Convert to fraction form
5,378,230.70/8,064,235.65 = 2,012,777.90/x - Step 3: Cross multiply
5,378,230.70x = 8,064,235.65 × 2,012,777.90 - Step 4: Simplify right side
5,378,230.70x = 16,231,515,296,712.13 - Step 5: Solve for x
x = 16,231,515,296,712.13/5,378,230.70 - Step 6: Final answer
x = 3,018,002.80
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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.