Finding the Fourth Proportional to 2,031,396.20, 3,046,208.47 and 768,338.09
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Solution
The fourth proportional to 2,031,396.20, 3,046,208.47 and 768,338.09 is: 1,152,172.09
Step by Step Solution
- Step 1: Write the proportion equation
2,031,396.20 : 3,046,208.47 = 768,338.09 : x - Step 2: Convert to fraction form
2,031,396.20/3,046,208.47 = 768,338.09/x - Step 3: Cross multiply
2,031,396.20x = 3,046,208.47 × 768,338.09 - Step 4: Simplify right side
2,031,396.20x = 2,340,518,010,106.62 - Step 5: Solve for x
x = 2,340,518,010,106.62/2,031,396.20 - Step 6: Final answer
x = 1,152,172.09
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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.