Finding the Fourth Proportional to 3,143,076.95, 4,338,631.08 and 1,836,753.17
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Solution
The fourth proportional to 3,143,076.95, 4,338,631.08 and 1,836,753.17 is: 2,535,411.79
Step by Step Solution
- Step 1: Write the proportion equation
3,143,076.95 : 4,338,631.08 = 1,836,753.17 : x - Step 2: Convert to fraction form
3,143,076.95/4,338,631.08 = 1,836,753.17/x - Step 3: Cross multiply
3,143,076.95x = 4,338,631.08 × 1,836,753.17 - Step 4: Simplify right side
3,143,076.95x = 7,968,994,367,957.37 - Step 5: Solve for x
x = 7,968,994,367,957.37/3,143,076.95 - Step 6: Final answer
x = 2,535,411.79
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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.