Finding the Fourth Proportional to 2,080,966.36, 2,871,343.66 and 1,316,481.88
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Solution
The fourth proportional to 2,080,966.36, 2,871,343.66 and 1,316,481.88 is: 1,816,498.32
Step by Step Solution
- Step 1: Write the proportion equation
2,080,966.36 : 2,871,343.66 = 1,316,481.88 : x - Step 2: Convert to fraction form
2,080,966.36/2,871,343.66 = 1,316,481.88/x - Step 3: Cross multiply
2,080,966.36x = 2,871,343.66 × 1,316,481.88 - Step 4: Simplify right side
2,080,966.36x = 3,780,071,899,642.88 - Step 5: Solve for x
x = 3,780,071,899,642.88/2,080,966.36 - Step 6: Final answer
x = 1,816,498.32
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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.