Finding the Fourth Proportional to 1,939,673.71, 2,676,832.76 and 1,080,233.97
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Solution
The fourth proportional to 1,939,673.71, 2,676,832.76 and 1,080,233.97 is: 1,490,769.12
Step by Step Solution
- Step 1: Write the proportion equation
1,939,673.71 : 2,676,832.76 = 1,080,233.97 : x - Step 2: Convert to fraction form
1,939,673.71/2,676,832.76 = 1,080,233.97/x - Step 3: Cross multiply
1,939,673.71x = 2,676,832.76 × 1,080,233.97 - Step 4: Simplify right side
1,939,673.71x = 2,891,605,683,567.20 - Step 5: Solve for x
x = 2,891,605,683,567.20/1,939,673.71 - Step 6: Final answer
x = 1,490,769.12
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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.