Finding the Fourth Proportional to 4,626,668.76, 6,384,802.08 and 2,589,478.26
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Solution
The fourth proportional to 4,626,668.76, 6,384,802.08 and 2,589,478.26 is: 3,573,479.55
Step by Step Solution
- Step 1: Write the proportion equation
4,626,668.76 : 6,384,802.08 = 2,589,478.26 : x - Step 2: Convert to fraction form
4,626,668.76/6,384,802.08 = 2,589,478.26/x - Step 3: Cross multiply
4,626,668.76x = 6,384,802.08 × 2,589,478.26 - Step 4: Simplify right side
4,626,668.76x = 16,533,306,180,562.78 - Step 5: Solve for x
x = 16,533,306,180,562.78/4,626,668.76 - Step 6: Final answer
x = 3,573,479.55
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1.5x scale
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.