Finding the Fourth Proportional to 1,979,748.68, 2,732,060.34 and 1,074,330.44
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Solution
The fourth proportional to 1,979,748.68, 2,732,060.34 and 1,074,330.44 is: 1,482,579.89
Step by Step Solution
- Step 1: Write the proportion equation
1,979,748.68 : 2,732,060.34 = 1,074,330.44 : x - Step 2: Convert to fraction form
1,979,748.68/2,732,060.34 = 1,074,330.44/x - Step 3: Cross multiply
1,979,748.68x = 2,732,060.34 × 1,074,330.44 - Step 4: Simplify right side
1,979,748.68x = 2,935,135,587,178.75 - Step 5: Solve for x
x = 2,935,135,587,178.75/1,979,748.68 - Step 6: Final answer
x = 1,482,579.89
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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.