Finding the Fourth Proportional to 3,314,379.51, 4,573,316.70 and 1,863,794.79
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Solution
The fourth proportional to 3,314,379.51, 4,573,316.70 and 1,863,794.79 is: 2,571,740.45
Step by Step Solution
- Step 1: Write the proportion equation
3,314,379.51 : 4,573,316.70 = 1,863,794.79 : x - Step 2: Convert to fraction form
3,314,379.51/4,573,316.70 = 1,863,794.79/x - Step 3: Cross multiply
3,314,379.51x = 4,573,316.70 × 1,863,794.79 - Step 4: Simplify right side
3,314,379.51x = 8,523,723,838,479.99 - Step 5: Solve for x
x = 8,523,723,838,479.99/3,314,379.51 - Step 6: Final answer
x = 2,571,740.45
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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.