Finding the Fourth Proportional to 4,384,276.70, 6,576,415.05 and 2,793,890.30
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Solution
The fourth proportional to 4,384,276.70, 6,576,415.05 and 2,793,890.30 is: 4,190,835.45
Step by Step Solution
- Step 1: Write the proportion equation
4,384,276.70 : 6,576,415.05 = 2,793,890.30 : x - Step 2: Convert to fraction form
4,384,276.70/6,576,415.05 = 2,793,890.30/x - Step 3: Cross multiply
4,384,276.70x = 6,576,415.05 × 2,793,890.30 - Step 4: Simplify right side
4,384,276.70x = 18,373,782,216,969.01 - Step 5: Solve for x
x = 18,373,782,216,969.01/4,384,276.70 - Step 6: Final answer
x = 4,190,835.45
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Double scale
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Similar ratio
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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.