Finding the Fourth Proportional to 2,825,815.70, 3,899,507.92 and 1,602,203.92
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Solution
The fourth proportional to 2,825,815.70, 3,899,507.92 and 1,602,203.92 is: 2,210,974.65
Step by Step Solution
- Step 1: Write the proportion equation
2,825,815.70 : 3,899,507.92 = 1,602,203.92 : x - Step 2: Convert to fraction form
2,825,815.70/3,899,507.92 = 1,602,203.92/x - Step 3: Cross multiply
2,825,815.70x = 3,899,507.92 × 1,602,203.92 - Step 4: Simplify right side
2,825,815.70x = 6,247,806,875,495.05 - Step 5: Solve for x
x = 6,247,806,875,495.05/2,825,815.70 - Step 6: Final answer
x = 2,210,974.65
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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.