Finding the Fourth Proportional to 1,451,619.40, 2,174,804.70 and 889,997.80
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Solution
The fourth proportional to 1,451,619.40, 2,174,804.70 and 889,997.80 is: 1,333,387.66
Step by Step Solution
- Step 1: Write the proportion equation
1,451,619.40 : 2,174,804.70 = 889,997.80 : x - Step 2: Convert to fraction form
1,451,619.40/2,174,804.70 = 889,997.80/x - Step 3: Cross multiply
1,451,619.40x = 2,174,804.70 × 889,997.80 - Step 4: Simplify right side
1,451,619.40x = 1,935,571,398,429.66 - Step 5: Solve for x
x = 1,935,571,398,429.66/1,451,619.40 - Step 6: Final answer
x = 1,333,387.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.