Finding the Fourth Proportional to 1,593,286.76, 2,198,707.99 and 868,140.47
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Solution
The fourth proportional to 1,593,286.76, 2,198,707.99 and 868,140.47 is: 1,198,018.73
Step by Step Solution
- Step 1: Write the proportion equation
1,593,286.76 : 2,198,707.99 = 868,140.47 : x - Step 2: Convert to fraction form
1,593,286.76/2,198,707.99 = 868,140.47/x - Step 3: Cross multiply
1,593,286.76x = 2,198,707.99 × 868,140.47 - Step 4: Simplify right side
1,593,286.76x = 1,908,787,374,667.46 - Step 5: Solve for x
x = 1,908,787,374,667.46/1,593,286.76 - Step 6: Final answer
x = 1,198,018.73
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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.