Finding the Fourth Proportional to 2,660,289.12, 3,991,024.08 and 766,882.80
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Solution
The fourth proportional to 2,660,289.12, 3,991,024.08 and 766,882.80 is: 1,150,494.39
Step by Step Solution
- Step 1: Write the proportion equation
2,660,289.12 : 3,991,024.08 = 766,882.80 : x - Step 2: Convert to fraction form
2,660,289.12/3,991,024.08 = 766,882.80/x - Step 3: Cross multiply
2,660,289.12x = 3,991,024.08 × 766,882.80 - Step 4: Simplify right side
2,660,289.12x = 3,060,647,721,337.82 - Step 5: Solve for x
x = 3,060,647,721,337.82/2,660,289.12 - Step 6: Final answer
x = 1,150,494.39
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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.