Finding the Fourth Proportional to 3,445,382.98, 4,754,628.52 and 1,917,850.96
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Solution
The fourth proportional to 3,445,382.98, 4,754,628.52 and 1,917,850.96 is: 2,646,634.33
Step by Step Solution
- Step 1: Write the proportion equation
3,445,382.98 : 4,754,628.52 = 1,917,850.96 : x - Step 2: Convert to fraction form
3,445,382.98/4,754,628.52 = 1,917,850.96/x - Step 3: Cross multiply
3,445,382.98x = 4,754,628.52 × 1,917,850.96 - Step 4: Simplify right side
3,445,382.98x = 9,118,668,871,525.38 - Step 5: Solve for x
x = 9,118,668,871,525.38/3,445,382.98 - Step 6: Final answer
x = 2,646,634.33
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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.