Finding the Fourth Proportional to 5,059,873.08, 6,982,679.98 and 2,767,984.56
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Solution
The fourth proportional to 5,059,873.08, 6,982,679.98 and 2,767,984.56 is: 3,819,848.85
Step by Step Solution
- Step 1: Write the proportion equation
5,059,873.08 : 6,982,679.98 = 2,767,984.56 : x - Step 2: Convert to fraction form
5,059,873.08/6,982,679.98 = 2,767,984.56/x - Step 3: Cross multiply
5,059,873.08x = 6,982,679.98 × 2,767,984.56 - Step 4: Simplify right side
5,059,873.08x = 19,327,950,372,061.11 - Step 5: Solve for x
x = 19,327,950,372,061.11/5,059,873.08 - Step 6: Final answer
x = 3,819,848.85
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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.