Finding the Fourth Proportional to 4,309,091.99, 6,461,650.74 and 1,275,373.07
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Solution
The fourth proportional to 4,309,091.99, 6,461,650.74 and 1,275,373.07 is: 1,912,471.43
Step by Step Solution
- Step 1: Write the proportion equation
4,309,091.99 : 6,461,650.74 = 1,275,373.07 : x - Step 2: Convert to fraction form
4,309,091.99/6,461,650.74 = 1,275,373.07/x - Step 3: Cross multiply
4,309,091.99x = 6,461,650.74 × 1,275,373.07 - Step 4: Simplify right side
4,309,091.99x = 8,241,015,341,541.57 - Step 5: Solve for x
x = 8,241,015,341,541.57/4,309,091.99 - Step 6: Final answer
x = 1,912,471.43
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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.