Finding the Fourth Proportional to 2,899,731.40, 4,345,320.30 and 2,102,691.40
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Solution
The fourth proportional to 2,899,731.40, 4,345,320.30 and 2,102,691.40 is: 3,150,935.85
Step by Step Solution
- Step 1: Write the proportion equation
2,899,731.40 : 4,345,320.30 = 2,102,691.40 : x - Step 2: Convert to fraction form
2,899,731.40/4,345,320.30 = 2,102,691.40/x - Step 3: Cross multiply
2,899,731.40x = 4,345,320.30 × 2,102,691.40 - Step 4: Simplify right side
2,899,731.40x = 9,136,867,625,055.42 - Step 5: Solve for x
x = 9,136,867,625,055.42/2,899,731.40 - Step 6: Final answer
x = 3,150,935.85
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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.