Finding the Fourth Proportional to 1,642,676.76, 2,266,870.05 and 917,534.79
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Solution
The fourth proportional to 1,642,676.76, 2,266,870.05 and 917,534.79 is: 1,266,184.67
Step by Step Solution
- Step 1: Write the proportion equation
1,642,676.76 : 2,266,870.05 = 917,534.79 : x - Step 2: Convert to fraction form
1,642,676.76/2,266,870.05 = 917,534.79/x - Step 3: Cross multiply
1,642,676.76x = 2,266,870.05 × 917,534.79 - Step 4: Simplify right side
1,642,676.76x = 2,079,932,135,284.04 - Step 5: Solve for x
x = 2,079,932,135,284.04/1,642,676.76 - Step 6: Final answer
x = 1,266,184.67
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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.