Finding the Fourth Proportional to 1,936,379.40, 2,898,891 and 1,357,998.09
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Solution
The fourth proportional to 1,936,379.40, 2,898,891 and 1,357,998.09 is: 2,033,015.04
Step by Step Solution
- Step 1: Write the proportion equation
1,936,379.40 : 2,898,891 = 1,357,998.09 : x - Step 2: Convert to fraction form
1,936,379.40/2,898,891 = 1,357,998.09/x - Step 3: Cross multiply
1,936,379.40x = 2,898,891 × 1,357,998.09 - Step 4: Simplify right side
1,936,379.40x = 3,936,688,441,118.19 - Step 5: Solve for x
x = 3,936,688,441,118.19/1,936,379.40 - Step 6: Final answer
x = 2,033,015.04
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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.