Finding the Fourth Proportional to 5,248,974.80, 7,873,462.20 and 2,594,766.80
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Solution
The fourth proportional to 5,248,974.80, 7,873,462.20 and 2,594,766.80 is: 3,892,150.20
Step by Step Solution
- Step 1: Write the proportion equation
5,248,974.80 : 7,873,462.20 = 2,594,766.80 : x - Step 2: Convert to fraction form
5,248,974.80/7,873,462.20 = 2,594,766.80/x - Step 3: Cross multiply
5,248,974.80x = 7,873,462.20 × 2,594,766.80 - Step 4: Simplify right side
5,248,974.80x = 20,429,798,317,614.96 - Step 5: Solve for x
x = 20,429,798,317,614.96/5,248,974.80 - Step 6: Final answer
x = 3,892,150.20
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1.5x scale
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.