Finding the Fourth Proportional to 4,199,658.30, 6,299,487.45 and 4,129,674.30
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Solution
The fourth proportional to 4,199,658.30, 6,299,487.45 and 4,129,674.30 is: 6,194,511.45
Step by Step Solution
- Step 1: Write the proportion equation
4,199,658.30 : 6,299,487.45 = 4,129,674.30 : x - Step 2: Convert to fraction form
4,199,658.30/6,299,487.45 = 4,129,674.30/x - Step 3: Cross multiply
4,199,658.30x = 6,299,487.45 × 4,129,674.30 - Step 4: Simplify right side
4,199,658.30x = 26,014,831,425,437.54 - Step 5: Solve for x
x = 26,014,831,425,437.54/4,199,658.30 - Step 6: Final answer
x = 6,194,511.45
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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.