Finding the Fourth Proportional to 4,452,630.70, 6,144,642.21 and 2,415,440.20
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Solution
The fourth proportional to 4,452,630.70, 6,144,642.21 and 2,415,440.20 is: 3,333,313.90
Step by Step Solution
- Step 1: Write the proportion equation
4,452,630.70 : 6,144,642.21 = 2,415,440.20 : x - Step 2: Convert to fraction form
4,452,630.70/6,144,642.21 = 2,415,440.20/x - Step 3: Cross multiply
4,452,630.70x = 6,144,642.21 × 2,415,440.20 - Step 4: Simplify right side
4,452,630.70x = 14,842,015,808,650.84 - Step 5: Solve for x
x = 14,842,015,808,650.84/4,452,630.70 - Step 6: Final answer
x = 3,333,313.90
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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.