Finding the Fourth Proportional to 3,847,984.60, 5,768,169.90 and 1,822,668.70
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Solution
The fourth proportional to 3,847,984.60, 5,768,169.90 and 1,822,668.70 is: 2,732,199.79
Step by Step Solution
- Step 1: Write the proportion equation
3,847,984.60 : 5,768,169.90 = 1,822,668.70 : x - Step 2: Convert to fraction form
3,847,984.60/5,768,169.90 = 1,822,668.70/x - Step 3: Cross multiply
3,847,984.60x = 5,768,169.90 × 1,822,668.70 - Step 4: Simplify right side
3,847,984.60x = 10,513,462,733,012.13 - Step 5: Solve for x
x = 10,513,462,733,012.13/3,847,984.60 - Step 6: Final answer
x = 2,732,199.79
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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.