Finding the Fourth Proportional to 3,882,943.12, 5,827,039.08 and 1,358,620.24
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Solution
The fourth proportional to 3,882,943.12, 5,827,039.08 and 1,358,620.24 is: 2,038,848.62
Step by Step Solution
- Step 1: Write the proportion equation
3,882,943.12 : 5,827,039.08 = 1,358,620.24 : x - Step 2: Convert to fraction form
3,882,943.12/5,827,039.08 = 1,358,620.24/x - Step 3: Cross multiply
3,882,943.12x = 5,827,039.08 × 1,358,620.24 - Step 4: Simplify right side
3,882,943.12x = 7,916,733,233,358.98 - Step 5: Solve for x
x = 7,916,733,233,358.98/3,882,943.12 - Step 6: Final answer
x = 2,038,848.62
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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.