Finding the Fourth Proportional to 3,239,112.12, 4,849,239.18 and 1,698,454.16
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Solution
The fourth proportional to 3,239,112.12, 4,849,239.18 and 1,698,454.16 is: 2,542,737.07
Step by Step Solution
- Step 1: Write the proportion equation
3,239,112.12 : 4,849,239.18 = 1,698,454.16 : x - Step 2: Convert to fraction form
3,239,112.12/4,849,239.18 = 1,698,454.16/x - Step 3: Cross multiply
3,239,112.12x = 4,849,239.18 × 1,698,454.16 - Step 4: Simplify right side
3,239,112.12x = 8,236,210,458,105.99 - Step 5: Solve for x
x = 8,236,210,458,105.99/3,239,112.12 - Step 6: Final answer
x = 2,542,737.07
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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.