Finding the Fourth Proportional to 2,281,679.42, 3,148,892.47 and 1,301,640.02
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Solution
The fourth proportional to 2,281,679.42, 3,148,892.47 and 1,301,640.02 is: 1,796,362.99
Step by Step Solution
- Step 1: Write the proportion equation
2,281,679.42 : 3,148,892.47 = 1,301,640.02 : x - Step 2: Convert to fraction form
2,281,679.42/3,148,892.47 = 1,301,640.02/x - Step 3: Cross multiply
2,281,679.42x = 3,148,892.47 × 1,301,640.02 - Step 4: Simplify right side
2,281,679.42x = 4,098,724,457,628.65 - Step 5: Solve for x
x = 4,098,724,457,628.65/2,281,679.42 - Step 6: Final answer
x = 1,796,362.99
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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.