Finding the Fourth Proportional to 3,321,152.70, 4,971,231.45 and 2,376,368.70
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Solution
The fourth proportional to 3,321,152.70, 4,971,231.45 and 2,376,368.70 is: 3,557,041.75
Step by Step Solution
- Step 1: Write the proportion equation
3,321,152.70 : 4,971,231.45 = 2,376,368.70 : x - Step 2: Convert to fraction form
3,321,152.70/4,971,231.45 = 2,376,368.70/x - Step 3: Cross multiply
3,321,152.70x = 4,971,231.45 × 2,376,368.70 - Step 4: Simplify right side
3,321,152.70x = 11,813,478,818,235.62 - Step 5: Solve for x
x = 11,813,478,818,235.62/3,321,152.70 - Step 6: Final answer
x = 3,557,041.75
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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.