Finding the Fourth Proportional to 2,555,345.40, 3,526,369.20 and 1,467,687.12
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Solution
The fourth proportional to 2,555,345.40, 3,526,369.20 and 1,467,687.12 is: 2,025,403.95
Step by Step Solution
- Step 1: Write the proportion equation
2,555,345.40 : 3,526,369.20 = 1,467,687.12 : x - Step 2: Convert to fraction form
2,555,345.40/3,526,369.20 = 1,467,687.12/x - Step 3: Cross multiply
2,555,345.40x = 3,526,369.20 × 1,467,687.12 - Step 4: Simplify right side
2,555,345.40x = 5,175,606,655,204.71 - Step 5: Solve for x
x = 5,175,606,655,204.71/2,555,345.40 - Step 6: Final answer
x = 2,025,403.95
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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.