Finding the Fourth Proportional to 2,420,576.87, 3,340,420.86 and 1,332,949.58
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Solution
The fourth proportional to 2,420,576.87, 3,340,420.86 and 1,332,949.58 is: 1,839,484.07
Step by Step Solution
- Step 1: Write the proportion equation
2,420,576.87 : 3,340,420.86 = 1,332,949.58 : x - Step 2: Convert to fraction form
2,420,576.87/3,340,420.86 = 1,332,949.58/x - Step 3: Cross multiply
2,420,576.87x = 3,340,420.86 × 1,332,949.58 - Step 4: Simplify right side
2,420,576.87x = 4,452,612,582,360.24 - Step 5: Solve for x
x = 4,452,612,582,360.24/2,420,576.87 - Step 6: Final answer
x = 1,839,484.07
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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.