Finding the Fourth Proportional to 2,630,966.95, 3,922,130.64 and 2,589,507.05
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Solution
The fourth proportional to 2,630,966.95, 3,922,130.64 and 2,589,507.05 is: 3,860,324.03
Step by Step Solution
- Step 1: Write the proportion equation
2,630,966.95 : 3,922,130.64 = 2,589,507.05 : x - Step 2: Convert to fraction form
2,630,966.95/3,922,130.64 = 2,589,507.05/x - Step 3: Cross multiply
2,630,966.95x = 3,922,130.64 × 2,589,507.05 - Step 4: Simplify right side
2,630,966.95x = 10,156,384,930,353.47 - Step 5: Solve for x
x = 10,156,384,930,353.47/2,630,966.95 - Step 6: Final answer
x = 3,860,324.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.