Finding the Fourth Proportional to 3,778,941.84, 5,204,987.98 and 3,132,289.68
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Solution
The fourth proportional to 3,778,941.84, 5,204,987.98 and 3,132,289.68 is: 4,314,310.94
Step by Step Solution
- Step 1: Write the proportion equation
3,778,941.84 : 5,204,987.98 = 3,132,289.68 : x - Step 2: Convert to fraction form
3,778,941.84/5,204,987.98 = 3,132,289.68/x - Step 3: Cross multiply
3,778,941.84x = 5,204,987.98 × 3,132,289.68 - Step 4: Simplify right side
3,778,941.84x = 16,303,530,134,278.05 - Step 5: Solve for x
x = 16,303,530,134,278.05/3,778,941.84 - Step 6: Final answer
x = 4,314,310.94
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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.