Finding the Fourth Proportional to 5,019,994.98, 6,927,646.50 and 2,728,155.60
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Solution
The fourth proportional to 5,019,994.98, 6,927,646.50 and 2,728,155.60 is: 3,764,883.76
Step by Step Solution
- Step 1: Write the proportion equation
5,019,994.98 : 6,927,646.50 = 2,728,155.60 : x - Step 2: Convert to fraction form
5,019,994.98/6,927,646.50 = 2,728,155.60/x - Step 3: Cross multiply
5,019,994.98x = 6,927,646.50 × 2,728,155.60 - Step 4: Simplify right side
5,019,994.98x = 18,899,697,593,795.40 - Step 5: Solve for x
x = 18,899,697,593,795.40/5,019,994.98 - Step 6: Final answer
x = 3,764,883.76
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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.