Finding the Fourth Proportional to 1,407,986.56, 2,111,766 and 461,336.32
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Solution
The fourth proportional to 1,407,986.56, 2,111,766 and 461,336.32 is: 691,934.41
Step by Step Solution
- Step 1: Write the proportion equation
1,407,986.56 : 2,111,766 = 461,336.32 : x - Step 2: Convert to fraction form
1,407,986.56/2,111,766 = 461,336.32/x - Step 3: Cross multiply
1,407,986.56x = 2,111,766 × 461,336.32 - Step 4: Simplify right side
1,407,986.56x = 974,234,355,141.12 - Step 5: Solve for x
x = 974,234,355,141.12/1,407,986.56 - Step 6: Final answer
x = 691,934.41
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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.