Finding the Fourth Proportional to 5,334,873.98, 7,362,125.54 and 2,887,484.60
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Solution
The fourth proportional to 5,334,873.98, 7,362,125.54 and 2,887,484.60 is: 3,984,728.44
Step by Step Solution
- Step 1: Write the proportion equation
5,334,873.98 : 7,362,125.54 = 2,887,484.60 : x - Step 2: Convert to fraction form
5,334,873.98/7,362,125.54 = 2,887,484.60/x - Step 3: Cross multiply
5,334,873.98x = 7,362,125.54 × 2,887,484.60 - Step 4: Simplify right side
5,334,873.98x = 21,258,024,068,768.64 - Step 5: Solve for x
x = 21,258,024,068,768.64/5,334,873.98 - Step 6: Final answer
x = 3,984,728.44
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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.