Finding the Fourth Proportional to 5,173,959.96, 7,140,285.66 and 2,882,122.20
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Solution
The fourth proportional to 5,173,959.96, 7,140,285.66 and 2,882,122.20 is: 3,977,451.70
Step by Step Solution
- Step 1: Write the proportion equation
5,173,959.96 : 7,140,285.66 = 2,882,122.20 : x - Step 2: Convert to fraction form
5,173,959.96/7,140,285.66 = 2,882,122.20/x - Step 3: Cross multiply
5,173,959.96x = 7,140,285.66 × 2,882,122.20 - Step 4: Simplify right side
5,173,959.96x = 20,579,175,815,027.65 - Step 5: Solve for x
x = 20,579,175,815,027.65/5,173,959.96 - Step 6: Final answer
x = 3,977,451.70
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1.5x scale
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.