Finding the Fourth Proportional to 1,656,284.80, 2,285,619.84 and 931,162.96
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Solution
The fourth proportional to 1,656,284.80, 2,285,619.84 and 931,162.96 is: 1,284,974.98
Step by Step Solution
- Step 1: Write the proportion equation
1,656,284.80 : 2,285,619.84 = 931,162.96 : x - Step 2: Convert to fraction form
1,656,284.80/2,285,619.84 = 931,162.96/x - Step 3: Cross multiply
1,656,284.80x = 2,285,619.84 × 931,162.96 - Step 4: Simplify right side
1,656,284.80x = 2,128,284,535,649.13 - Step 5: Solve for x
x = 2,128,284,535,649.13/1,656,284.80 - Step 6: Final answer
x = 1,284,974.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.