Finding the Fourth Proportional to 1,796,303.20, 2,478,896.88 and 991,485.28
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Solution
The fourth proportional to 1,796,303.20, 2,478,896.88 and 991,485.28 is: 1,368,248.84
Step by Step Solution
- Step 1: Write the proportion equation
1,796,303.20 : 2,478,896.88 = 991,485.28 : x - Step 2: Convert to fraction form
1,796,303.20/2,478,896.88 = 991,485.28/x - Step 3: Cross multiply
1,796,303.20x = 2,478,896.88 × 991,485.28 - Step 4: Simplify right side
1,796,303.20x = 2,457,789,767,157.93 - Step 5: Solve for x
x = 2,457,789,767,157.93/1,796,303.20 - Step 6: Final answer
x = 1,368,248.84
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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.