Finding the Fourth Proportional to 3,235,605.98, 4,465,229.72 and 1,785,394.81
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Solution
The fourth proportional to 3,235,605.98, 4,465,229.72 and 1,785,394.81 is: 2,463,896.40
Step by Step Solution
- Step 1: Write the proportion equation
3,235,605.98 : 4,465,229.72 = 1,785,394.81 : x - Step 2: Convert to fraction form
3,235,605.98/4,465,229.72 = 1,785,394.81/x - Step 3: Cross multiply
3,235,605.98x = 4,465,229.72 × 1,785,394.81 - Step 4: Simplify right side
3,235,605.98x = 7,972,197,947,455.71 - Step 5: Solve for x
x = 7,972,197,947,455.71/3,235,605.98 - Step 6: Final answer
x = 2,463,896.40
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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.