Finding the Fourth Proportional to 3,528,277.28, 4,868,875.68 and 2,000,487.68
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Solution
The fourth proportional to 3,528,277.28, 4,868,875.68 and 2,000,487.68 is: 2,760,589.67
Step by Step Solution
- Step 1: Write the proportion equation
3,528,277.28 : 4,868,875.68 = 2,000,487.68 : x - Step 2: Convert to fraction form
3,528,277.28/4,868,875.68 = 2,000,487.68/x - Step 3: Cross multiply
3,528,277.28x = 4,868,875.68 × 2,000,487.68 - Step 4: Simplify right side
3,528,277.28x = 9,740,125,813,291.62 - Step 5: Solve for x
x = 9,740,125,813,291.62/3,528,277.28 - Step 6: Final answer
x = 2,760,589.67
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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.