Finding the Fourth Proportional to 1,720,609.60, 2,575,665.60 and 1,531,652.80
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Solution
The fourth proportional to 1,720,609.60, 2,575,665.60 and 1,531,652.80 is: 2,292,806.82
Step by Step Solution
- Step 1: Write the proportion equation
1,720,609.60 : 2,575,665.60 = 1,531,652.80 : x - Step 2: Convert to fraction form
1,720,609.60/2,575,665.60 = 1,531,652.80/x - Step 3: Cross multiply
1,720,609.60x = 2,575,665.60 × 1,531,652.80 - Step 4: Simplify right side
1,720,609.60x = 3,945,025,428,103.68 - Step 5: Solve for x
x = 3,945,025,428,103.68/1,720,609.60 - Step 6: Final answer
x = 2,292,806.82
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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.