Finding the Fourth Proportional to 4,455,378.48, 6,148,257.84 and 2,418,144.24
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Solution
The fourth proportional to 4,455,378.48, 6,148,257.84 and 2,418,144.24 is: 3,336,949.79
Step by Step Solution
- Step 1: Write the proportion equation
4,455,378.48 : 6,148,257.84 = 2,418,144.24 : x - Step 2: Convert to fraction form
4,455,378.48/6,148,257.84 = 2,418,144.24/x - Step 3: Cross multiply
4,455,378.48x = 6,148,257.84 × 2,418,144.24 - Step 4: Simplify right side
4,455,378.48x = 14,867,374,281,830.84 - Step 5: Solve for x
x = 14,867,374,281,830.84/4,455,378.48 - Step 6: Final answer
x = 3,336,949.79
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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.