Finding the Fourth Proportional to 2,731,235.76, 3,769,105.68 and 1,507,541.58
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Solution
The fourth proportional to 2,731,235.76, 3,769,105.68 and 1,507,541.58 is: 2,080,407.56
Step by Step Solution
- Step 1: Write the proportion equation
2,731,235.76 : 3,769,105.68 = 1,507,541.58 : x - Step 2: Convert to fraction form
2,731,235.76/3,769,105.68 = 1,507,541.58/x - Step 3: Cross multiply
2,731,235.76x = 3,769,105.68 × 1,507,541.58 - Step 4: Simplify right side
2,731,235.76x = 5,682,083,532,014.18 - Step 5: Solve for x
x = 5,682,083,532,014.18/2,731,235.76 - Step 6: Final answer
x = 2,080,407.56
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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.