Finding the Fourth Proportional to 2,146,334.93, 2,961,296.30 and 1,286,581.49
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Solution
The fourth proportional to 2,146,334.93, 2,961,296.30 and 1,286,581.49 is: 1,775,095.28
Step by Step Solution
- Step 1: Write the proportion equation
2,146,334.93 : 2,961,296.30 = 1,286,581.49 : x - Step 2: Convert to fraction form
2,146,334.93/2,961,296.30 = 1,286,581.49/x - Step 3: Cross multiply
2,146,334.93x = 2,961,296.30 × 1,286,581.49 - Step 4: Simplify right side
2,146,334.93x = 3,809,948,984,746.10 - Step 5: Solve for x
x = 3,809,948,984,746.10/2,146,334.93 - Step 6: Final answer
x = 1,775,095.28
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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.