Finding the Fourth Proportional to 1,817,551.07, 2,723,337.09 and 1,440,892.56
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Solution
The fourth proportional to 1,817,551.07, 2,723,337.09 and 1,440,892.56 is: 2,158,968.85
Step by Step Solution
- Step 1: Write the proportion equation
1,817,551.07 : 2,723,337.09 = 1,440,892.56 : x - Step 2: Convert to fraction form
1,817,551.07/2,723,337.09 = 1,440,892.56/x - Step 3: Cross multiply
1,817,551.07x = 2,723,337.09 × 1,440,892.56 - Step 4: Simplify right side
1,817,551.07x = 3,924,036,151,353.05 - Step 5: Solve for x
x = 3,924,036,151,353.05/1,817,551.07 - Step 6: Final answer
x = 2,158,968.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.