Finding the Fourth Proportional to 3,819,149.80, 5,270,321.35 and 2,100,270.32
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Solution
The fourth proportional to 3,819,149.80, 5,270,321.35 and 2,100,270.32 is: 2,898,315.09
Step by Step Solution
- Step 1: Write the proportion equation
3,819,149.80 : 5,270,321.35 = 2,100,270.32 : x - Step 2: Convert to fraction form
3,819,149.80/5,270,321.35 = 2,100,270.32/x - Step 3: Cross multiply
3,819,149.80x = 5,270,321.35 × 2,100,270.32 - Step 4: Simplify right side
3,819,149.80x = 11,069,099,487,166.40 - Step 5: Solve for x
x = 11,069,099,487,166.40/3,819,149.80 - Step 6: Final answer
x = 2,898,315.09
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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.