Finding the Fourth Proportional to 4,578,617.70, 6,318,566.45 and 2,513,823.61
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Solution
The fourth proportional to 4,578,617.70, 6,318,566.45 and 2,513,823.61 is: 3,469,117.23
Step by Step Solution
- Step 1: Write the proportion equation
4,578,617.70 : 6,318,566.45 = 2,513,823.61 : x - Step 2: Convert to fraction form
4,578,617.70/6,318,566.45 = 2,513,823.61/x - Step 3: Cross multiply
4,578,617.70x = 6,318,566.45 × 2,513,823.61 - Step 4: Simplify right side
4,578,617.70x = 15,883,761,537,546.65 - Step 5: Solve for x
x = 15,883,761,537,546.65/4,578,617.70 - Step 6: Final answer
x = 3,469,117.23
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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.