Finding the Fourth Proportional to 2,808,077.10, 4,212,115.65 and 1,390,901.10
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Solution
The fourth proportional to 2,808,077.10, 4,212,115.65 and 1,390,901.10 is: 2,086,351.65
Step by Step Solution
- Step 1: Write the proportion equation
2,808,077.10 : 4,212,115.65 = 1,390,901.10 : x - Step 2: Convert to fraction form
2,808,077.10/4,212,115.65 = 1,390,901.10/x - Step 3: Cross multiply
2,808,077.10x = 4,212,115.65 × 1,390,901.10 - Step 4: Simplify right side
2,808,077.10x = 5,858,636,290,912.22 - Step 5: Solve for x
x = 5,858,636,290,912.22/2,808,077.10 - Step 6: Final answer
x = 2,086,351.65
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1.5x scale
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.