Finding the Fourth Proportional to 1,449,918.24, 2,175,775.50 and 842,992.20
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Solution
The fourth proportional to 1,449,918.24, 2,175,775.50 and 842,992.20 is: 1,265,010.48
Step by Step Solution
- Step 1: Write the proportion equation
1,449,918.24 : 2,175,775.50 = 842,992.20 : x - Step 2: Convert to fraction form
1,449,918.24/2,175,775.50 = 842,992.20/x - Step 3: Cross multiply
1,449,918.24x = 2,175,775.50 × 842,992.20 - Step 4: Simplify right side
1,449,918.24x = 1,834,161,775,451.10 - Step 5: Solve for x
x = 1,834,161,775,451.10/1,449,918.24 - Step 6: Final answer
x = 1,265,010.48
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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.