Finding the Fourth Proportional to 1,450,138.32, 2,001,189.84 and 805,618.80
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Solution
The fourth proportional to 1,450,138.32, 2,001,189.84 and 805,618.80 is: 1,111,753.37
Step by Step Solution
- Step 1: Write the proportion equation
1,450,138.32 : 2,001,189.84 = 805,618.80 : x - Step 2: Convert to fraction form
1,450,138.32/2,001,189.84 = 805,618.80/x - Step 3: Cross multiply
1,450,138.32x = 2,001,189.84 × 805,618.80 - Step 4: Simplify right side
1,450,138.32x = 1,612,196,157,472.99 - Step 5: Solve for x
x = 1,612,196,157,472.99/1,450,138.32 - Step 6: Final answer
x = 1,111,753.37
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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.