Finding the Fourth Proportional to 4,885,424.70, 7,328,137.05 and 4,436,652.30
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Solution
The fourth proportional to 4,885,424.70, 7,328,137.05 and 4,436,652.30 is: 6,654,978.45
Step by Step Solution
- Step 1: Write the proportion equation
4,885,424.70 : 7,328,137.05 = 4,436,652.30 : x - Step 2: Convert to fraction form
4,885,424.70/7,328,137.05 = 4,436,652.30/x - Step 3: Cross multiply
4,885,424.70x = 7,328,137.05 × 4,436,652.30 - Step 4: Simplify right side
4,885,424.70x = 32,512,396,097,597.71 - Step 5: Solve for x
x = 32,512,396,097,597.71/4,885,424.70 - Step 6: Final answer
x = 6,654,978.45
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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.