Finding the Fourth Proportional to 1,450,159.38, 2,001,218.49 and 805,639.95
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Solution
The fourth proportional to 1,450,159.38, 2,001,218.49 and 805,639.95 is: 1,111,782.32
Step by Step Solution
- Step 1: Write the proportion equation
1,450,159.38 : 2,001,218.49 = 805,639.95 : x - Step 2: Convert to fraction form
1,450,159.38/2,001,218.49 = 805,639.95/x - Step 3: Cross multiply
1,450,159.38x = 2,001,218.49 × 805,639.95 - Step 4: Simplify right side
1,450,159.38x = 1,612,261,564,222.68 - Step 5: Solve for x
x = 1,612,261,564,222.68/1,450,159.38 - Step 6: Final answer
x = 1,111,782.32
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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.