Finding the Fourth Proportional to 2,986,485.96, 4,479,732.18 and 742,623.96
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Solution
The fourth proportional to 2,986,485.96, 4,479,732.18 and 742,623.96 is: 1,113,936.75
Step by Step Solution
- Step 1: Write the proportion equation
2,986,485.96 : 4,479,732.18 = 742,623.96 : x - Step 2: Convert to fraction form
2,986,485.96/4,479,732.18 = 742,623.96/x - Step 3: Cross multiply
2,986,485.96x = 4,479,732.18 × 742,623.96 - Step 4: Simplify right side
2,986,485.96x = 3,326,756,451,251.03 - Step 5: Solve for x
x = 3,326,756,451,251.03/2,986,485.96 - Step 6: Final answer
x = 1,113,936.75
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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.