Finding the Fourth Proportional to 2,005,386.26, 2,767,437.60 and 1,145,944.48
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Solution
The fourth proportional to 2,005,386.26, 2,767,437.60 and 1,145,944.48 is: 1,581,405.99
Step by Step Solution
- Step 1: Write the proportion equation
2,005,386.26 : 2,767,437.60 = 1,145,944.48 : x - Step 2: Convert to fraction form
2,005,386.26/2,767,437.60 = 1,145,944.48/x - Step 3: Cross multiply
2,005,386.26x = 2,767,437.60 × 1,145,944.48 - Step 4: Simplify right side
2,005,386.26x = 3,171,329,841,464.45 - Step 5: Solve for x
x = 3,171,329,841,464.45/2,005,386.26 - Step 6: Final answer
x = 1,581,405.99
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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.