Finding the Fourth Proportional to 2,170,324.58, 2,994,901.92 and 1,203,419.07
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Solution
The fourth proportional to 2,170,324.58, 2,994,901.92 and 1,203,419.07 is: 1,660,637.36
Step by Step Solution
- Step 1: Write the proportion equation
2,170,324.58 : 2,994,901.92 = 1,203,419.07 : x - Step 2: Convert to fraction form
2,170,324.58/2,994,901.92 = 1,203,419.07/x - Step 3: Cross multiply
2,170,324.58x = 2,994,901.92 × 1,203,419.07 - Step 4: Simplify right side
2,170,324.58x = 3,604,122,083,307.62 - Step 5: Solve for x
x = 3,604,122,083,307.62/2,170,324.58 - Step 6: Final answer
x = 1,660,637.36
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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.