Finding the Fourth Proportional to 3,963,451.26, 5,943,655.71 and 1,687,532.70
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Solution
The fourth proportional to 3,963,451.26, 5,943,655.71 and 1,687,532.70 is: 2,530,651.37
Step by Step Solution
- Step 1: Write the proportion equation
3,963,451.26 : 5,943,655.71 = 1,687,532.70 : x - Step 2: Convert to fraction form
3,963,451.26/5,943,655.71 = 1,687,532.70/x - Step 3: Cross multiply
3,963,451.26x = 5,943,655.71 × 1,687,532.70 - Step 4: Simplify right side
3,963,451.26x = 10,030,113,368,166.72 - Step 5: Solve for x
x = 10,030,113,368,166.72/3,963,451.26 - Step 6: Final answer
x = 2,530,651.37
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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.