Finding the Fourth Proportional to 5,119,303.98, 7,064,035.20 and 2,827,327.98
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Solution
The fourth proportional to 5,119,303.98, 7,064,035.20 and 2,827,327.98 is: 3,901,378.87
Step by Step Solution
- Step 1: Write the proportion equation
5,119,303.98 : 7,064,035.20 = 2,827,327.98 : x - Step 2: Convert to fraction form
5,119,303.98/7,064,035.20 = 2,827,327.98/x - Step 3: Cross multiply
5,119,303.98x = 7,064,035.20 × 2,827,327.98 - Step 4: Simplify right side
5,119,303.98x = 19,972,344,372,664.89 - Step 5: Solve for x
x = 19,972,344,372,664.89/5,119,303.98 - Step 6: Final answer
x = 3,901,378.87
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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.