Finding the Fourth Proportional to 1,518,550.70, 2,095,729.81 and 865,376.49
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Solution
The fourth proportional to 1,518,550.70, 2,095,729.81 and 865,376.49 is: 1,194,293.55
Step by Step Solution
- Step 1: Write the proportion equation
1,518,550.70 : 2,095,729.81 = 865,376.49 : x - Step 2: Convert to fraction form
1,518,550.70/2,095,729.81 = 865,376.49/x - Step 3: Cross multiply
1,518,550.70x = 2,095,729.81 × 865,376.49 - Step 4: Simplify right side
1,518,550.70x = 1,813,595,306,966.17 - Step 5: Solve for x
x = 1,813,595,306,966.17/1,518,550.70 - Step 6: Final answer
x = 1,194,293.55
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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.