Finding the Fourth Proportional to 2,135,107.60, 3,202,663.60 and 872,935.28
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Solution
The fourth proportional to 2,135,107.60, 3,202,663.60 and 872,935.28 is: 1,309,403.82
Step by Step Solution
- Step 1: Write the proportion equation
2,135,107.60 : 3,202,663.60 = 872,935.28 : x - Step 2: Convert to fraction form
2,135,107.60/3,202,663.60 = 872,935.28/x - Step 3: Cross multiply
2,135,107.60x = 3,202,663.60 × 872,935.28 - Step 4: Simplify right side
2,135,107.60x = 2,795,718,046,411.81 - Step 5: Solve for x
x = 2,795,718,046,411.81/2,135,107.60 - Step 6: Final answer
x = 1,309,403.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.