Finding the Fourth Proportional to 3,960,311.74, 5,464,293.50 and 2,241,432.26
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Solution
The fourth proportional to 3,960,311.74, 5,464,293.50 and 2,241,432.26 is: 3,092,646.37
Step by Step Solution
- Step 1: Write the proportion equation
3,960,311.74 : 5,464,293.50 = 2,241,432.26 : x - Step 2: Convert to fraction form
3,960,311.74/5,464,293.50 = 2,241,432.26/x - Step 3: Cross multiply
3,960,311.74x = 5,464,293.50 × 2,241,432.26 - Step 4: Simplify right side
3,960,311.74x = 12,247,843,729,008.31 - Step 5: Solve for x
x = 12,247,843,729,008.31/3,960,311.74 - Step 6: Final answer
x = 3,092,646.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.