Finding the Fourth Proportional to 1,940,288.05, 2,677,678.20 and 1,080,848.08
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Solution
The fourth proportional to 1,940,288.05, 2,677,678.20 and 1,080,848.08 is: 1,491,615.30
Step by Step Solution
- Step 1: Write the proportion equation
1,940,288.05 : 2,677,678.20 = 1,080,848.08 : x - Step 2: Convert to fraction form
1,940,288.05/2,677,678.20 = 1,080,848.08/x - Step 3: Cross multiply
1,940,288.05x = 2,677,678.20 × 1,080,848.08 - Step 4: Simplify right side
1,940,288.05x = 2,894,163,341,327.86 - Step 5: Solve for x
x = 2,894,163,341,327.86/1,940,288.05 - Step 6: Final answer
x = 1,491,615.30
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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.