Finding the Fourth Proportional to 2,292,493.12, 3,163,647.14 and 1,260,106.69
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Solution
The fourth proportional to 2,292,493.12, 3,163,647.14 and 1,260,106.69 is: 1,738,950.88
Step by Step Solution
- Step 1: Write the proportion equation
2,292,493.12 : 3,163,647.14 = 1,260,106.69 : x - Step 2: Convert to fraction form
2,292,493.12/3,163,647.14 = 1,260,106.69/x - Step 3: Cross multiply
2,292,493.12x = 3,163,647.14 × 1,260,106.69 - Step 4: Simplify right side
2,292,493.12x = 3,986,532,925,913.37 - Step 5: Solve for x
x = 3,986,532,925,913.37/2,292,493.12 - Step 6: Final answer
x = 1,738,950.88
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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.