Finding the Fourth Proportional to 8,403,234.80, 12,604,852.20 and 2,420,207.60
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Solution
The fourth proportional to 8,403,234.80, 12,604,852.20 and 2,420,207.60 is: 3,630,311.40
Step by Step Solution
- Step 1: Write the proportion equation
8,403,234.80 : 12,604,852.20 = 2,420,207.60 : x - Step 2: Convert to fraction form
8,403,234.80/12,604,852.20 = 2,420,207.60/x - Step 3: Cross multiply
8,403,234.80x = 12,604,852.20 × 2,420,207.60 - Step 4: Simplify right side
8,403,234.80x = 30,506,359,091,316.72 - Step 5: Solve for x
x = 30,506,359,091,316.72/8,403,234.80 - Step 6: Final answer
x = 3,630,311.40
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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.