Finding the Fourth Proportional to 2,659,347.09, 3,963,723.08 and 2,507,996.97
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Solution
The fourth proportional to 2,659,347.09, 3,963,723.08 and 2,507,996.97 is: 3,738,137.64
Step by Step Solution
- Step 1: Write the proportion equation
2,659,347.09 : 3,963,723.08 = 2,507,996.97 : x - Step 2: Convert to fraction form
2,659,347.09/3,963,723.08 = 2,507,996.97/x - Step 3: Cross multiply
2,659,347.09x = 3,963,723.08 × 2,507,996.97 - Step 4: Simplify right side
2,659,347.09x = 9,941,005,462,019.08 - Step 5: Solve for x
x = 9,941,005,462,019.08/2,659,347.09 - Step 6: Final answer
x = 3,738,137.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.