Finding the Fourth Proportional to 3,065,805.47, 4,230,907.06 and 1,759,296.75
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Solution
The fourth proportional to 3,065,805.47, 4,230,907.06 and 1,759,296.75 is: 2,427,884.32
Step by Step Solution
- Step 1: Write the proportion equation
3,065,805.47 : 4,230,907.06 = 1,759,296.75 : x - Step 2: Convert to fraction form
3,065,805.47/4,230,907.06 = 1,759,296.75/x - Step 3: Cross multiply
3,065,805.47x = 4,230,907.06 × 1,759,296.75 - Step 4: Simplify right side
3,065,805.47x = 7,443,421,040,446.08 - Step 5: Solve for x
x = 7,443,421,040,446.08/3,065,805.47 - Step 6: Final answer
x = 2,427,884.32
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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.