Finding the Fourth Proportional to 6,420,023, 8,860,265.52 and 3,667,122.08
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Solution
The fourth proportional to 6,420,023, 8,860,265.52 and 3,667,122.08 is: 5,060,990.49
Step by Step Solution
- Step 1: Write the proportion equation
6,420,023 : 8,860,265.52 = 3,667,122.08 : x - Step 2: Convert to fraction form
6,420,023/8,860,265.52 = 3,667,122.08/x - Step 3: Cross multiply
6,420,023x = 8,860,265.52 × 3,667,122.08 - Step 4: Simplify right side
6,420,023x = 32,491,675,323,054.68 - Step 5: Solve for x
x = 32,491,675,323,054.68/6,420,023 - Step 6: Final answer
x = 5,060,990.49
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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.