Finding the Fourth Proportional to 5,236,101.56, 7,855,038.06 and 2,678,426.84
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Solution
The fourth proportional to 5,236,101.56, 7,855,038.06 and 2,678,426.84 is: 4,018,093.33
Step by Step Solution
- Step 1: Write the proportion equation
5,236,101.56 : 7,855,038.06 = 2,678,426.84 : x - Step 2: Convert to fraction form
5,236,101.56/7,855,038.06 = 2,678,426.84/x - Step 3: Cross multiply
5,236,101.56x = 7,855,038.06 × 2,678,426.84 - Step 4: Simplify right side
5,236,101.56x = 21,039,144,769,125.53 - Step 5: Solve for x
x = 21,039,144,769,125.53/5,236,101.56 - Step 6: Final answer
x = 4,018,093.33
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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.