Finding the Fourth Proportional to 2,021,647.20, 3,031,066.08 and 759,135.84
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Solution
The fourth proportional to 2,021,647.20, 3,031,066.08 and 759,135.84 is: 1,138,176.28
Step by Step Solution
- Step 1: Write the proportion equation
2,021,647.20 : 3,031,066.08 = 759,135.84 : x - Step 2: Convert to fraction form
2,021,647.20/3,031,066.08 = 759,135.84/x - Step 3: Cross multiply
2,021,647.20x = 3,031,066.08 × 759,135.84 - Step 4: Simplify right side
2,021,647.20x = 2,300,990,894,736.31 - Step 5: Solve for x
x = 2,300,990,894,736.31/2,021,647.20 - Step 6: Final answer
x = 1,138,176.28
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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.