Finding the Fourth Proportional to 3,828,119.76, 5,282,924.90 and 2,196,825.53
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Solution
The fourth proportional to 3,828,119.76, 5,282,924.90 and 2,196,825.53 is: 3,031,687.88
Step by Step Solution
- Step 1: Write the proportion equation
3,828,119.76 : 5,282,924.90 = 2,196,825.53 : x - Step 2: Convert to fraction form
3,828,119.76/5,282,924.90 = 2,196,825.53/x - Step 3: Cross multiply
3,828,119.76x = 5,282,924.90 × 2,196,825.53 - Step 4: Simplify right side
3,828,119.76x = 11,605,664,293,392.70 - Step 5: Solve for x
x = 11,605,664,293,392.70/3,828,119.76 - Step 6: Final answer
x = 3,031,687.88
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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.