Finding the Fourth Proportional to 1,684,585.77, 2,324,723.25 and 920,639.40
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Solution
The fourth proportional to 1,684,585.77, 2,324,723.25 and 920,639.40 is: 1,270,479.58
Step by Step Solution
- Step 1: Write the proportion equation
1,684,585.77 : 2,324,723.25 = 920,639.40 : x - Step 2: Convert to fraction form
1,684,585.77/2,324,723.25 = 920,639.40/x - Step 3: Cross multiply
1,684,585.77x = 2,324,723.25 × 920,639.40 - Step 4: Simplify right side
1,684,585.77x = 2,140,231,818,046.05 - Step 5: Solve for x
x = 2,140,231,818,046.05/1,684,585.77 - Step 6: Final answer
x = 1,270,479.58
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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.