Finding the Fourth Proportional to 3,021,155.44, 4,526,688.56 and 2,120,985.62
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Solution
The fourth proportional to 3,021,155.44, 4,526,688.56 and 2,120,985.62 is: 3,177,936.90
Step by Step Solution
- Step 1: Write the proportion equation
3,021,155.44 : 4,526,688.56 = 2,120,985.62 : x - Step 2: Convert to fraction form
3,021,155.44/4,526,688.56 = 2,120,985.62/x - Step 3: Cross multiply
3,021,155.44x = 4,526,688.56 × 2,120,985.62 - Step 4: Simplify right side
3,021,155.44x = 9,601,041,341,978.51 - Step 5: Solve for x
x = 9,601,041,341,978.51/3,021,155.44 - Step 6: Final answer
x = 3,177,936.90
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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.