Finding the Fourth Proportional to 4,219,849.16, 5,823,384.80 and 2,286,158.84
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Solution
The fourth proportional to 4,219,849.16, 5,823,384.80 and 2,286,158.84 is: 3,154,895.38
Step by Step Solution
- Step 1: Write the proportion equation
4,219,849.16 : 5,823,384.80 = 2,286,158.84 : x - Step 2: Convert to fraction form
4,219,849.16/5,823,384.80 = 2,286,158.84/x - Step 3: Cross multiply
4,219,849.16x = 5,823,384.80 × 2,286,158.84 - Step 4: Simplify right side
4,219,849.16x = 13,313,182,639,241.63 - Step 5: Solve for x
x = 13,313,182,639,241.63/4,219,849.16 - Step 6: Final answer
x = 3,154,895.38
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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.