Finding the Fourth Proportional to 1,963,591.18, 2,709,772.08 and 1,104,143.92
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Solution
The fourth proportional to 1,963,591.18, 2,709,772.08 and 1,104,143.92 is: 1,523,727.75
Step by Step Solution
- Step 1: Write the proportion equation
1,963,591.18 : 2,709,772.08 = 1,104,143.92 : x - Step 2: Convert to fraction form
1,963,591.18/2,709,772.08 = 1,104,143.92/x - Step 3: Cross multiply
1,963,591.18x = 2,709,772.08 × 1,104,143.92 - Step 4: Simplify right side
1,963,591.18x = 2,991,978,366,717.75 - Step 5: Solve for x
x = 2,991,978,366,717.75/1,963,591.18 - Step 6: Final answer
x = 1,523,727.75
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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.