Finding the Fourth Proportional to 5,412,148.32, 8,118,216.95 and 2,217,280.26
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Solution
The fourth proportional to 5,412,148.32, 8,118,216.95 and 2,217,280.26 is: 3,325,918.12
Step by Step Solution
- Step 1: Write the proportion equation
5,412,148.32 : 8,118,216.95 = 2,217,280.26 : x - Step 2: Convert to fraction form
5,412,148.32/8,118,216.95 = 2,217,280.26/x - Step 3: Cross multiply
5,412,148.32x = 8,118,216.95 × 2,217,280.26 - Step 4: Simplify right side
5,412,148.32x = 18,000,362,178,546.00 - Step 5: Solve for x
x = 18,000,362,178,546.00/5,412,148.32 - Step 6: Final answer
x = 3,325,918.12
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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.