Finding the Fourth Proportional to 6,630,743.31, 9,946,115.37 and 1,838,432.67
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Solution
The fourth proportional to 6,630,743.31, 9,946,115.37 and 1,838,432.67 is: 2,757,649.12
Step by Step Solution
- Step 1: Write the proportion equation
6,630,743.31 : 9,946,115.37 = 1,838,432.67 : x - Step 2: Convert to fraction form
6,630,743.31/9,946,115.37 = 1,838,432.67/x - Step 3: Cross multiply
6,630,743.31x = 9,946,115.37 × 1,838,432.67 - Step 4: Simplify right side
6,630,743.31x = 18,285,263,435,797.14 - Step 5: Solve for x
x = 18,285,263,435,797.14/6,630,743.31 - Step 6: Final answer
x = 2,757,649.12
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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.