Finding the Fourth Proportional to 5,408,432.91, 8,113,731.92 and 1,996,740.24
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Solution
The fourth proportional to 5,408,432.91, 8,113,731.92 and 1,996,740.24 is: 2,995,510.02
Step by Step Solution
- Step 1: Write the proportion equation
5,408,432.91 : 8,113,731.92 = 1,996,740.24 : x - Step 2: Convert to fraction form
5,408,432.91/8,113,731.92 = 1,996,740.24/x - Step 3: Cross multiply
5,408,432.91x = 8,113,731.92 × 1,996,740.24 - Step 4: Simplify right side
5,408,432.91x = 16,201,014,970,684.10 - Step 5: Solve for x
x = 16,201,014,970,684.10/5,408,432.91 - Step 6: Final answer
x = 2,995,510.02
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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.