Finding the Fourth Proportional to 3,018,193.62, 4,163,878.38 and 1,711,170.12
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Solution
The fourth proportional to 3,018,193.62, 4,163,878.38 and 1,711,170.12 is: 2,360,718.09
Step by Step Solution
- Step 1: Write the proportion equation
3,018,193.62 : 4,163,878.38 = 1,711,170.12 : x - Step 2: Convert to fraction form
3,018,193.62/4,163,878.38 = 1,711,170.12/x - Step 3: Cross multiply
3,018,193.62x = 4,163,878.38 × 1,711,170.12 - Step 4: Simplify right side
3,018,193.62x = 7,125,104,267,170.01 - Step 5: Solve for x
x = 7,125,104,267,170.01/3,018,193.62 - Step 6: Final answer
x = 2,360,718.09
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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.