Finding the Fourth Proportional to 3,596,639.16, 5,391,452.25 and 1,437,020.40
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Solution
The fourth proportional to 3,596,639.16, 5,391,452.25 and 1,437,020.40 is: 2,154,129.60
Step by Step Solution
- Step 1: Write the proportion equation
3,596,639.16 : 5,391,452.25 = 1,437,020.40 : x - Step 2: Convert to fraction form
3,596,639.16/5,391,452.25 = 1,437,020.40/x - Step 3: Cross multiply
3,596,639.16x = 5,391,452.25 × 1,437,020.40 - Step 4: Simplify right side
3,596,639.16x = 7,747,626,868,875.90 - Step 5: Solve for x
x = 7,747,626,868,875.90/3,596,639.16 - Step 6: Final answer
x = 2,154,129.60
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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.