Finding the Fourth Proportional to 2,731,686.23, 3,769,628.18 and 1,507,965.48
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Solution
The fourth proportional to 2,731,686.23, 3,769,628.18 and 1,507,965.48 is: 2,080,937.81
Step by Step Solution
- Step 1: Write the proportion equation
2,731,686.23 : 3,769,628.18 = 1,507,965.48 : x - Step 2: Convert to fraction form
2,731,686.23/3,769,628.18 = 1,507,965.48/x - Step 3: Cross multiply
2,731,686.23x = 3,769,628.18 × 1,507,965.48 - Step 4: Simplify right side
2,731,686.23x = 5,684,469,160,335.40 - Step 5: Solve for x
x = 5,684,469,160,335.40/2,731,686.23 - Step 6: Final answer
x = 2,080,937.81
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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.