Finding the Fourth Proportional to 2,036,079, 2,809,822.79 and 1,118,392.99
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Solution
The fourth proportional to 2,036,079, 2,809,822.79 and 1,118,392.99 is: 1,543,400.88
Step by Step Solution
- Step 1: Write the proportion equation
2,036,079 : 2,809,822.79 = 1,118,392.99 : x - Step 2: Convert to fraction form
2,036,079/2,809,822.79 = 1,118,392.99/x - Step 3: Cross multiply
2,036,079x = 2,809,822.79 × 1,118,392.99 - Step 4: Simplify right side
2,036,079x = 3,142,486,111,478.24 - Step 5: Solve for x
x = 3,142,486,111,478.24/2,036,079 - Step 6: Final answer
x = 1,543,400.88
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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.