Finding the Fourth Proportional to 3,579,173.73, 4,937,626.35 and 2,128,043.34
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Solution
The fourth proportional to 3,579,173.73, 4,937,626.35 and 2,128,043.34 is: 2,935,728.65
Step by Step Solution
- Step 1: Write the proportion equation
3,579,173.73 : 4,937,626.35 = 2,128,043.34 : x - Step 2: Convert to fraction form
3,579,173.73/4,937,626.35 = 2,128,043.34/x - Step 3: Cross multiply
3,579,173.73x = 4,937,626.35 × 2,128,043.34 - Step 4: Simplify right side
3,579,173.73x = 10,507,482,869,526.01 - Step 5: Solve for x
x = 10,507,482,869,526.01/3,579,173.73 - Step 6: Final answer
x = 2,935,728.65
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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.