Finding the Fourth Proportional to 5,375,105.20, 8,065,768.20 and 2,009,652.40
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Solution
The fourth proportional to 5,375,105.20, 8,065,768.20 and 2,009,652.40 is: 3,015,641.52
Step by Step Solution
- Step 1: Write the proportion equation
5,375,105.20 : 8,065,768.20 = 2,009,652.40 : x - Step 2: Convert to fraction form
5,375,105.20/8,065,768.20 = 2,009,652.40/x - Step 3: Cross multiply
5,375,105.20x = 8,065,768.20 × 2,009,652.40 - Step 4: Simplify right side
5,375,105.20x = 16,209,390,420,973.68 - Step 5: Solve for x
x = 16,209,390,420,973.68/5,375,105.20 - Step 6: Final answer
x = 3,015,641.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.