Finding the Fourth Proportional to 5,486,936.31, 8,230,405.38 and 2,290,318.71
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Solution
The fourth proportional to 5,486,936.31, 8,230,405.38 and 2,290,318.71 is: 3,435,478.45
Step by Step Solution
- Step 1: Write the proportion equation
5,486,936.31 : 8,230,405.38 = 2,290,318.71 : x - Step 2: Convert to fraction form
5,486,936.31/8,230,405.38 = 2,290,318.71/x - Step 3: Cross multiply
5,486,936.31x = 8,230,405.38 × 2,290,318.71 - Step 4: Simplify right side
5,486,936.31x = 18,850,251,432,698.66 - Step 5: Solve for x
x = 18,850,251,432,698.66/5,486,936.31 - Step 6: Final answer
x = 3,435,478.45
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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.