Finding the Fourth Proportional to 2,544,292.36, 3,511,131.08 and 1,398,490.12
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Solution
The fourth proportional to 2,544,292.36, 3,511,131.08 and 1,398,490.12 is: 1,929,920.56
Step by Step Solution
- Step 1: Write the proportion equation
2,544,292.36 : 3,511,131.08 = 1,398,490.12 : x - Step 2: Convert to fraction form
2,544,292.36/3,511,131.08 = 1,398,490.12/x - Step 3: Cross multiply
2,544,292.36x = 3,511,131.08 × 1,398,490.12 - Step 4: Simplify right side
2,544,292.36x = 4,910,282,125,404.93 - Step 5: Solve for x
x = 4,910,282,125,404.93/2,544,292.36 - Step 6: Final answer
x = 1,929,920.56
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1.5x scale
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.