Finding the Fourth Proportional to 5,558,270.12, 8,331,624.84 and 2,148,898.40
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Solution
The fourth proportional to 5,558,270.12, 8,331,624.84 and 2,148,898.40 is: 3,221,112.85
Step by Step Solution
- Step 1: Write the proportion equation
5,558,270.12 : 8,331,624.84 = 2,148,898.40 : x - Step 2: Convert to fraction form
5,558,270.12/8,331,624.84 = 2,148,898.40/x - Step 3: Cross multiply
5,558,270.12x = 8,331,624.84 × 2,148,898.40 - Step 4: Simplify right side
5,558,270.12x = 17,903,815,288,076.25 - Step 5: Solve for x
x = 17,903,815,288,076.25/5,558,270.12 - Step 6: Final answer
x = 3,221,112.85
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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.