Finding the Fourth Proportional to 1,459,198.93, 2,013,728.43 and 915,357.64
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Solution
The fourth proportional to 1,459,198.93, 2,013,728.43 and 915,357.64 is: 1,263,214.81
Step by Step Solution
- Step 1: Write the proportion equation
1,459,198.93 : 2,013,728.43 = 915,357.64 : x - Step 2: Convert to fraction form
1,459,198.93/2,013,728.43 = 915,357.64/x - Step 3: Cross multiply
1,459,198.93x = 2,013,728.43 × 915,357.64 - Step 4: Simplify right side
1,459,198.93x = 1,843,281,703,285.71 - Step 5: Solve for x
x = 1,843,281,703,285.71/1,459,198.93 - Step 6: Final answer
x = 1,263,214.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.