Finding the Fourth Proportional to 4,255,674.60, 6,389,416.80 and 2,661,351.60
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Solution
The fourth proportional to 4,255,674.60, 6,389,416.80 and 2,661,351.60 is: 3,995,720.12
Step by Step Solution
- Step 1: Write the proportion equation
4,255,674.60 : 6,389,416.80 = 2,661,351.60 : x - Step 2: Convert to fraction form
4,255,674.60/6,389,416.80 = 2,661,351.60/x - Step 3: Cross multiply
4,255,674.60x = 6,389,416.80 × 2,661,351.60 - Step 4: Simplify right side
4,255,674.60x = 17,004,484,623,746.88 - Step 5: Solve for x
x = 17,004,484,623,746.88/4,255,674.60 - Step 6: Final answer
x = 3,995,720.12
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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.