Finding the Fourth Proportional to 6,927,984.40, 10,392,214.20 and 2,135,635.60
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Solution
The fourth proportional to 6,927,984.40, 10,392,214.20 and 2,135,635.60 is: 3,203,526.64
Step by Step Solution
- Step 1: Write the proportion equation
6,927,984.40 : 10,392,214.20 = 2,135,635.60 : x - Step 2: Convert to fraction form
6,927,984.40/10,392,214.20 = 2,135,635.60/x - Step 3: Cross multiply
6,927,984.40x = 10,392,214.20 × 2,135,635.60 - Step 4: Simplify right side
6,927,984.40x = 22,193,982,608,345.52 - Step 5: Solve for x
x = 22,193,982,608,345.52/6,927,984.40 - Step 6: Final answer
x = 3,203,526.64
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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.