Finding the Fourth Proportional to 1,612,920.15, 2,225,812.19 and 887,752.26
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Solution
The fourth proportional to 1,612,920.15, 2,225,812.19 and 887,752.26 is: 1,225,088.42
Step by Step Solution
- Step 1: Write the proportion equation
1,612,920.15 : 2,225,812.19 = 887,752.26 : x - Step 2: Convert to fraction form
1,612,920.15/2,225,812.19 = 887,752.26/x - Step 3: Cross multiply
1,612,920.15x = 2,225,812.19 × 887,752.26 - Step 4: Simplify right side
1,612,920.15x = 1,975,969,797,569.29 - Step 5: Solve for x
x = 1,975,969,797,569.29/1,612,920.15 - Step 6: Final answer
x = 1,225,088.42
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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.