Finding the Fourth Proportional to 1,543,284.77, 2,129,531.01 and 889,934.92
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Solution
The fourth proportional to 1,543,284.77, 2,129,531.01 and 889,934.92 is: 1,227,993.72
Step by Step Solution
- Step 1: Write the proportion equation
1,543,284.77 : 2,129,531.01 = 889,934.92 : x - Step 2: Convert to fraction form
1,543,284.77/2,129,531.01 = 889,934.92/x - Step 3: Cross multiply
1,543,284.77x = 2,129,531.01 × 889,934.92 - Step 4: Simplify right side
1,543,284.77x = 1,895,144,009,021.87 - Step 5: Solve for x
x = 1,895,144,009,021.87/1,543,284.77 - Step 6: Final answer
x = 1,227,993.72
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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.