Finding the Fourth Proportional to 3,119,202.59, 4,302,703.58 and 1,877,949.95
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Solution
The fourth proportional to 3,119,202.59, 4,302,703.58 and 1,877,949.95 is: 2,590,489.63
Step by Step Solution
- Step 1: Write the proportion equation
3,119,202.59 : 4,302,703.58 = 1,877,949.95 : x - Step 2: Convert to fraction form
3,119,202.59/4,302,703.58 = 1,877,949.95/x - Step 3: Cross multiply
3,119,202.59x = 4,302,703.58 × 1,877,949.95 - Step 4: Simplify right side
3,119,202.59x = 8,080,261,942,022.55 - Step 5: Solve for x
x = 8,080,261,942,022.55/3,119,202.59 - Step 6: Final answer
x = 2,590,489.63
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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.