Finding the Fourth Proportional to 1,583,769.40, 2,375,629.36 and 385,689.68
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Solution
The fourth proportional to 1,583,769.40, 2,375,629.36 and 385,689.68 is: 578,528.50
Step by Step Solution
- Step 1: Write the proportion equation
1,583,769.40 : 2,375,629.36 = 385,689.68 : x - Step 2: Convert to fraction form
1,583,769.40/2,375,629.36 = 385,689.68/x - Step 3: Cross multiply
1,583,769.40x = 2,375,629.36 × 385,689.68 - Step 4: Simplify right side
1,583,769.40x = 916,255,727,657.01 - Step 5: Solve for x
x = 916,255,727,657.01/1,583,769.40 - Step 6: Final answer
x = 578,528.50
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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.