Finding the Fourth Proportional to 4,382,217.80, 6,573,326.70 and 4,319,232.20
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Solution
The fourth proportional to 4,382,217.80, 6,573,326.70 and 4,319,232.20 is: 6,478,848.30
Step by Step Solution
- Step 1: Write the proportion equation
4,382,217.80 : 6,573,326.70 = 4,319,232.20 : x - Step 2: Convert to fraction form
4,382,217.80/6,573,326.70 = 4,319,232.20/x - Step 3: Cross multiply
4,382,217.80x = 6,573,326.70 × 4,319,232.20 - Step 4: Simplify right side
4,382,217.80x = 28,391,724,343,759.74 - Step 5: Solve for x
x = 28,391,724,343,759.74/4,382,217.80 - Step 6: Final answer
x = 6,478,848.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.