Finding the Fourth Proportional to 5,626,837.77, 7,765,043.85 and 3,048,518.55
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Solution
The fourth proportional to 5,626,837.77, 7,765,043.85 and 3,048,518.55 is: 4,206,959.79
Step by Step Solution
- Step 1: Write the proportion equation
5,626,837.77 : 7,765,043.85 = 3,048,518.55 : x - Step 2: Convert to fraction form
5,626,837.77/7,765,043.85 = 3,048,518.55/x - Step 3: Cross multiply
5,626,837.77x = 7,765,043.85 × 3,048,518.55 - Step 4: Simplify right side
5,626,837.77x = 23,671,880,218,288.41 - Step 5: Solve for x
x = 23,671,880,218,288.41/5,626,837.77 - Step 6: Final answer
x = 4,206,959.79
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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.