Finding the Fourth Proportional to 3,572,457.84, 5,358,861.84 and 1,442,276.16
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Solution
The fourth proportional to 3,572,457.84, 5,358,861.84 and 1,442,276.16 is: 2,163,484.92
Step by Step Solution
- Step 1: Write the proportion equation
3,572,457.84 : 5,358,861.84 = 1,442,276.16 : x - Step 2: Convert to fraction form
3,572,457.84/5,358,861.84 = 1,442,276.16/x - Step 3: Cross multiply
3,572,457.84x = 5,358,861.84 × 1,442,276.16 - Step 4: Simplify right side
3,572,457.84x = 7,728,958,676,565.73 - Step 5: Solve for x
x = 7,728,958,676,565.73/3,572,457.84 - Step 6: Final answer
x = 2,163,484.92
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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.