Finding the Fourth Proportional to 1,831,842.64, 2,526,288.04 and 1,143,578.05
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Solution
The fourth proportional to 1,831,842.64, 2,526,288.04 and 1,143,578.05 is: 1,577,104.65
Step by Step Solution
- Step 1: Write the proportion equation
1,831,842.64 : 2,526,288.04 = 1,143,578.05 : x - Step 2: Convert to fraction form
1,831,842.64/2,526,288.04 = 1,143,578.05/x - Step 3: Cross multiply
1,831,842.64x = 2,526,288.04 × 1,143,578.05 - Step 4: Simplify right side
1,831,842.64x = 2,889,007,545,635.27 - Step 5: Solve for x
x = 2,889,007,545,635.27/1,831,842.64 - Step 6: Final answer
x = 1,577,104.65
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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.