Finding the Fourth Proportional to 2,010,531.40, 3,018,129.90 and 1,212,713.80
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Solution
The fourth proportional to 2,010,531.40, 3,018,129.90 and 1,212,713.80 is: 1,820,477.80
Step by Step Solution
- Step 1: Write the proportion equation
2,010,531.40 : 3,018,129.90 = 1,212,713.80 : x - Step 2: Convert to fraction form
2,010,531.40/3,018,129.90 = 1,212,713.80/x - Step 3: Cross multiply
2,010,531.40x = 3,018,129.90 × 1,212,713.80 - Step 4: Simplify right side
2,010,531.40x = 3,660,127,779,922.62 - Step 5: Solve for x
x = 3,660,127,779,922.62/2,010,531.40 - Step 6: Final answer
x = 1,820,477.80
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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.