Finding the Fourth Proportional to 1,812,805.20, 2,719,208.49 and 464,967.84
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Solution
The fourth proportional to 1,812,805.20, 2,719,208.49 and 464,967.84 is: 697,451.94
Step by Step Solution
- Step 1: Write the proportion equation
1,812,805.20 : 2,719,208.49 = 464,967.84 : x - Step 2: Convert to fraction form
1,812,805.20/2,719,208.49 = 464,967.84/x - Step 3: Cross multiply
1,812,805.20x = 2,719,208.49 × 464,967.84 - Step 4: Simplify right side
1,812,805.20x = 1,264,344,498,104.96 - Step 5: Solve for x
x = 1,264,344,498,104.96/1,812,805.20 - Step 6: Final answer
x = 697,451.94
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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.