Finding the Fourth Proportional to 3,966,280.32, 5,949,846.95 and 1,692,044.99
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Solution
The fourth proportional to 3,966,280.32, 5,949,846.95 and 1,692,044.99 is: 2,538,249.42
Step by Step Solution
- Step 1: Write the proportion equation
3,966,280.32 : 5,949,846.95 = 1,692,044.99 : x - Step 2: Convert to fraction form
3,966,280.32/5,949,846.95 = 1,692,044.99/x - Step 3: Cross multiply
3,966,280.32x = 5,949,846.95 × 1,692,044.99 - Step 4: Simplify right side
3,966,280.32x = 10,067,408,750,102.39 - Step 5: Solve for x
x = 10,067,408,750,102.39/3,966,280.32 - Step 6: Final answer
x = 2,538,249.42
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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.