Finding the Fourth Proportional to 4,417,563.20, 6,626,344.80 and 2,625,972.80
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Solution
The fourth proportional to 4,417,563.20, 6,626,344.80 and 2,625,972.80 is: 3,938,959.20
Step by Step Solution
- Step 1: Write the proportion equation
4,417,563.20 : 6,626,344.80 = 2,625,972.80 : x - Step 2: Convert to fraction form
4,417,563.20/6,626,344.80 = 2,625,972.80/x - Step 3: Cross multiply
4,417,563.20x = 6,626,344.80 × 2,625,972.80 - Step 4: Simplify right side
4,417,563.20x = 17,400,601,208,221.44 - Step 5: Solve for x
x = 17,400,601,208,221.44/4,417,563.20 - Step 6: Final answer
x = 3,938,959.20
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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.