Finding the Fourth Proportional to 1,816,867.06, 2,507,333.36 and 1,042,639.54
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Solution
The fourth proportional to 1,816,867.06, 2,507,333.36 and 1,042,639.54 is: 1,438,875.17
Step by Step Solution
- Step 1: Write the proportion equation
1,816,867.06 : 2,507,333.36 = 1,042,639.54 : x - Step 2: Convert to fraction form
1,816,867.06/2,507,333.36 = 1,042,639.54/x - Step 3: Cross multiply
1,816,867.06x = 2,507,333.36 × 1,042,639.54 - Step 4: Simplify right side
1,816,867.06x = 2,614,244,901,097.05 - Step 5: Solve for x
x = 2,614,244,901,097.05/1,816,867.06 - Step 6: Final answer
x = 1,438,875.17
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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.