Finding the Fourth Proportional to 5,488,551.12, 8,232,079.30 and 1,444,700.30
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Solution
The fourth proportional to 5,488,551.12, 8,232,079.30 and 1,444,700.30 is: 2,166,853.72
Step by Step Solution
- Step 1: Write the proportion equation
5,488,551.12 : 8,232,079.30 = 1,444,700.30 : x - Step 2: Convert to fraction form
5,488,551.12/8,232,079.30 = 1,444,700.30/x - Step 3: Cross multiply
5,488,551.12x = 8,232,079.30 × 1,444,700.30 - Step 4: Simplify right side
5,488,551.12x = 11,892,887,434,333.79 - Step 5: Solve for x
x = 11,892,887,434,333.79/5,488,551.12 - Step 6: Final answer
x = 2,166,853.72
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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.