Finding the Fourth Proportional to 5,308,786.68, 7,924,423.87 and 4,555,469.07
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Solution
The fourth proportional to 5,308,786.68, 7,924,423.87 and 4,555,469.07 is: 6,799,946.95
Step by Step Solution
- Step 1: Write the proportion equation
5,308,786.68 : 7,924,423.87 = 4,555,469.07 : x - Step 2: Convert to fraction form
5,308,786.68/7,924,423.87 = 4,555,469.07/x - Step 3: Cross multiply
5,308,786.68x = 7,924,423.87 × 4,555,469.07 - Step 4: Simplify right side
5,308,786.68x = 36,099,467,774,955.24 - Step 5: Solve for x
x = 36,099,467,774,955.24/5,308,786.68 - Step 6: Final answer
x = 6,799,946.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.