Finding the Fourth Proportional to 1,657,683.87, 2,486,525.90 and 459,606.20
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Solution
The fourth proportional to 1,657,683.87, 2,486,525.90 and 459,606.20 is: 689,409.32
Step by Step Solution
- Step 1: Write the proportion equation
1,657,683.87 : 2,486,525.90 = 459,606.20 : x - Step 2: Convert to fraction form
1,657,683.87/2,486,525.90 = 459,606.20/x - Step 3: Cross multiply
1,657,683.87x = 2,486,525.90 × 459,606.20 - Step 4: Simplify right side
1,657,683.87x = 1,142,822,705,369.92 - Step 5: Solve for x
x = 1,142,822,705,369.92/1,657,683.87 - Step 6: Final answer
x = 689,409.32
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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.