Finding the Fourth Proportional to 1,657,875.38, 2,486,812.92 and 459,797.67
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Solution
The fourth proportional to 1,657,875.38, 2,486,812.92 and 459,797.67 is: 689,696.47
Step by Step Solution
- Step 1: Write the proportion equation
1,657,875.38 : 2,486,812.92 = 459,797.67 : x - Step 2: Convert to fraction form
1,657,875.38/2,486,812.92 = 459,797.67/x - Step 3: Cross multiply
1,657,875.38x = 2,486,812.92 × 459,797.67 - Step 4: Simplify right side
1,657,875.38x = 1,143,430,786,341.90 - Step 5: Solve for x
x = 1,143,430,786,341.90/1,657,875.38 - Step 6: Final answer
x = 689,696.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.