Finding the Fourth Proportional to 1,450,138.56, 2,001,135.58 and 805,599.28
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Solution
The fourth proportional to 1,450,138.56, 2,001,135.58 and 805,599.28 is: 1,111,696.10
Step by Step Solution
- Step 1: Write the proportion equation
1,450,138.56 : 2,001,135.58 = 805,599.28 : x - Step 2: Convert to fraction form
1,450,138.56/2,001,135.58 = 805,599.28/x - Step 3: Cross multiply
1,450,138.56x = 2,001,135.58 × 805,599.28 - Step 4: Simplify right side
1,450,138.56x = 1,612,113,382,430.38 - Step 5: Solve for x
x = 1,612,113,382,430.38/1,450,138.56 - Step 6: Final answer
x = 1,111,696.10
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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.