Finding the Fourth Proportional to 2,124,448.16, 3,187,170.32 and 845,128.24
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Solution
The fourth proportional to 2,124,448.16, 3,187,170.32 and 845,128.24 is: 1,267,890.50
Step by Step Solution
- Step 1: Write the proportion equation
2,124,448.16 : 3,187,170.32 = 845,128.24 : x - Step 2: Convert to fraction form
2,124,448.16/3,187,170.32 = 845,128.24/x - Step 3: Cross multiply
2,124,448.16x = 3,187,170.32 × 845,128.24 - Step 4: Simplify right side
2,124,448.16x = 2,693,567,643,121.84 - Step 5: Solve for x
x = 2,693,567,643,121.84/2,124,448.16 - Step 6: Final answer
x = 1,267,890.50
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1.5x scale
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.