Finding the Fourth Proportional to 3,231,623.79, 4,459,840.36 and 1,781,315.96
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Solution
The fourth proportional to 3,231,623.79, 4,459,840.36 and 1,781,315.96 is: 2,458,326.00
Step by Step Solution
- Step 1: Write the proportion equation
3,231,623.79 : 4,459,840.36 = 1,781,315.96 : x - Step 2: Convert to fraction form
3,231,623.79/4,459,840.36 = 1,781,315.96/x - Step 3: Cross multiply
3,231,623.79x = 4,459,840.36 × 1,781,315.96 - Step 4: Simplify right side
3,231,623.79x = 7,944,384,785,567.65 - Step 5: Solve for x
x = 7,944,384,785,567.65/3,231,623.79 - Step 6: Final answer
x = 2,458,326.00
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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.