Finding the Fourth Proportional to 1,618,812.09, 2,233,978.74 and 893,660.16
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Solution
The fourth proportional to 1,618,812.09, 2,233,978.74 and 893,660.16 is: 1,233,260.99
Step by Step Solution
- Step 1: Write the proportion equation
1,618,812.09 : 2,233,978.74 = 893,660.16 : x - Step 2: Convert to fraction form
1,618,812.09/2,233,978.74 = 893,660.16/x - Step 3: Cross multiply
1,618,812.09x = 2,233,978.74 × 893,660.16 - Step 4: Simplify right side
1,618,812.09x = 1,996,417,798,225.00 - Step 5: Solve for x
x = 1,996,417,798,225.00/1,618,812.09 - Step 6: Final answer
x = 1,233,260.99
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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.