Finding the Fourth Proportional to 3,182,821.56, 4,392,349.74 and 1,732,558.68
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Solution
The fourth proportional to 3,182,821.56, 4,392,349.74 and 1,732,558.68 is: 2,390,961.45
Step by Step Solution
- Step 1: Write the proportion equation
3,182,821.56 : 4,392,349.74 = 1,732,558.68 : x - Step 2: Convert to fraction form
3,182,821.56/4,392,349.74 = 1,732,558.68/x - Step 3: Cross multiply
3,182,821.56x = 4,392,349.74 × 1,732,558.68 - Step 4: Simplify right side
3,182,821.56x = 7,610,003,667,632.74 - Step 5: Solve for x
x = 7,610,003,667,632.74/3,182,821.56 - Step 6: Final answer
x = 2,390,961.45
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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.