Finding the Fourth Proportional to 5,451,041.80, 8,176,562.70 and 1,664,518.60
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Solution
The fourth proportional to 5,451,041.80, 8,176,562.70 and 1,664,518.60 is: 2,496,777.90
Step by Step Solution
- Step 1: Write the proportion equation
5,451,041.80 : 8,176,562.70 = 1,664,518.60 : x - Step 2: Convert to fraction form
5,451,041.80/8,176,562.70 = 1,664,518.60/x - Step 3: Cross multiply
5,451,041.80x = 8,176,562.70 × 1,664,518.60 - Step 4: Simplify right side
5,451,041.80x = 13,610,040,698,216.22 - Step 5: Solve for x
x = 13,610,040,698,216.22/5,451,041.80 - Step 6: Final answer
x = 2,496,777.90
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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.