Finding the Fourth Proportional to 2,731,309.20, 3,769,206.98 and 1,507,615.05
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Solution
The fourth proportional to 2,731,309.20, 3,769,206.98 and 1,507,615.05 is: 2,080,508.92
Step by Step Solution
- Step 1: Write the proportion equation
2,731,309.20 : 3,769,206.98 = 1,507,615.05 : x - Step 2: Convert to fraction form
2,731,309.20/3,769,206.98 = 1,507,615.05/x - Step 3: Cross multiply
2,731,309.20x = 3,769,206.98 × 1,507,615.05 - Step 4: Simplify right side
2,731,309.20x = 5,682,513,162,074.97 - Step 5: Solve for x
x = 5,682,513,162,074.97/2,731,309.20 - Step 6: Final answer
x = 2,080,508.92
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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.