Finding the Fourth Proportional to 990,050.10, 1,366,270.66 and 537,342.18
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Solution
The fourth proportional to 990,050.10, 1,366,270.66 and 537,342.18 is: 741,533.03
Step by Step Solution
- Step 1: Write the proportion equation
990,050.10 : 1,366,270.66 = 537,342.18 : x - Step 2: Convert to fraction form
990,050.10/1,366,270.66 = 537,342.18/x - Step 3: Cross multiply
990,050.10x = 1,366,270.66 × 537,342.18 - Step 4: Simplify right side
990,050.10x = 734,154,854,914.44 - Step 5: Solve for x
x = 734,154,854,914.44/990,050.10 - Step 6: Final answer
x = 741,533.03
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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.