Finding the Fourth Proportional to 1,519,039.92, 2,279,681.32 and 720,324.14
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Solution
The fourth proportional to 1,519,039.92, 2,279,681.32 and 720,324.14 is: 1,081,017.99
Step by Step Solution
- Step 1: Write the proportion equation
1,519,039.92 : 2,279,681.32 = 720,324.14 : x - Step 2: Convert to fraction form
1,519,039.92/2,279,681.32 = 720,324.14/x - Step 3: Cross multiply
1,519,039.92x = 2,279,681.32 × 720,324.14 - Step 4: Simplify right side
1,519,039.92x = 1,642,109,486,303.06 - Step 5: Solve for x
x = 1,642,109,486,303.06/1,519,039.92 - Step 6: Final answer
x = 1,081,017.99
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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.