Finding the Fourth Proportional to 3,467,309.69, 4,784,904.68 and 1,939,416.81
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Solution
The fourth proportional to 3,467,309.69, 4,784,904.68 and 1,939,416.81 is: 2,676,404.88
Step by Step Solution
- Step 1: Write the proportion equation
3,467,309.69 : 4,784,904.68 = 1,939,416.81 : x - Step 2: Convert to fraction form
3,467,309.69/4,784,904.68 = 1,939,416.81/x - Step 3: Cross multiply
3,467,309.69x = 4,784,904.68 × 1,939,416.81 - Step 4: Simplify right side
3,467,309.69x = 9,279,924,570,639.67 - Step 5: Solve for x
x = 9,279,924,570,639.67/3,467,309.69 - Step 6: Final answer
x = 2,676,404.88
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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.