Finding the Fourth Proportional to 5,560,455.60, 8,340,683.40 and 3,423,610.80
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Solution
The fourth proportional to 5,560,455.60, 8,340,683.40 and 3,423,610.80 is: 5,135,416.20
Step by Step Solution
- Step 1: Write the proportion equation
5,560,455.60 : 8,340,683.40 = 3,423,610.80 : x - Step 2: Convert to fraction form
5,560,455.60/8,340,683.40 = 3,423,610.80/x - Step 3: Cross multiply
5,560,455.60x = 8,340,683.40 × 3,423,610.80 - Step 4: Simplify right side
5,560,455.60x = 28,555,253,767,620.72 - Step 5: Solve for x
x = 28,555,253,767,620.72/5,560,455.60 - Step 6: Final answer
x = 5,135,416.20
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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.