Finding the Fourth Proportional to 2,825,765.68, 3,899,437.92 and 1,602,153.52
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Solution
The fourth proportional to 2,825,765.68, 3,899,437.92 and 1,602,153.52 is: 2,210,904.55
Step by Step Solution
- Step 1: Write the proportion equation
2,825,765.68 : 3,899,437.92 = 1,602,153.52 : x - Step 2: Convert to fraction form
2,825,765.68/3,899,437.92 = 1,602,153.52/x - Step 3: Cross multiply
2,825,765.68x = 3,899,437.92 × 1,602,153.52 - Step 4: Simplify right side
2,825,765.68x = 6,247,498,189,549.48 - Step 5: Solve for x
x = 6,247,498,189,549.48/2,825,765.68 - Step 6: Final answer
x = 2,210,904.55
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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.