Finding the Fourth Proportional to 4,681,441.84, 7,022,162.68 and 1,315,648.84
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Solution
The fourth proportional to 4,681,441.84, 7,022,162.68 and 1,315,648.84 is: 1,973,473.24
Step by Step Solution
- Step 1: Write the proportion equation
4,681,441.84 : 7,022,162.68 = 1,315,648.84 : x - Step 2: Convert to fraction form
4,681,441.84/7,022,162.68 = 1,315,648.84/x - Step 3: Cross multiply
4,681,441.84x = 7,022,162.68 × 1,315,648.84 - Step 4: Simplify right side
4,681,441.84x = 9,238,700,177,655.05 - Step 5: Solve for x
x = 9,238,700,177,655.05/4,681,441.84 - Step 6: Final answer
x = 1,973,473.24
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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.