Finding the Fourth Proportional to 2,626,069.61, 3,626,965.40 and 1,765,135.19
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Solution
The fourth proportional to 2,626,069.61, 3,626,965.40 and 1,765,135.19 is: 2,437,895.87
Step by Step Solution
- Step 1: Write the proportion equation
2,626,069.61 : 3,626,965.40 = 1,765,135.19 : x - Step 2: Convert to fraction form
2,626,069.61/3,626,965.40 = 1,765,135.19/x - Step 3: Cross multiply
2,626,069.61x = 3,626,965.40 × 1,765,135.19 - Step 4: Simplify right side
2,626,069.61x = 6,402,084,260,452.43 - Step 5: Solve for x
x = 6,402,084,260,452.43/2,626,069.61 - Step 6: Final answer
x = 2,437,895.87
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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.