Finding the Fourth Proportional to 4,526,406.68, 6,246,316.64 and 2,489,216.18
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Solution
The fourth proportional to 4,526,406.68, 6,246,316.64 and 2,489,216.18 is: 3,435,049.81
Step by Step Solution
- Step 1: Write the proportion equation
4,526,406.68 : 6,246,316.64 = 2,489,216.18 : x - Step 2: Convert to fraction form
4,526,406.68/6,246,316.64 = 2,489,216.18/x - Step 3: Cross multiply
4,526,406.68x = 6,246,316.64 × 2,489,216.18 - Step 4: Simplify right side
4,526,406.68x = 15,548,432,402,013.57 - Step 5: Solve for x
x = 15,548,432,402,013.57/4,526,406.68 - Step 6: Final answer
x = 3,435,049.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.