Finding the Fourth Proportional to 1,796,320.72, 2,478,924.84 and 991,504.72
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Solution
The fourth proportional to 1,796,320.72, 2,478,924.84 and 991,504.72 is: 1,368,277.75
Step by Step Solution
- Step 1: Write the proportion equation
1,796,320.72 : 2,478,924.84 = 991,504.72 : x - Step 2: Convert to fraction form
1,796,320.72/2,478,924.84 = 991,504.72/x - Step 3: Cross multiply
1,796,320.72x = 2,478,924.84 × 991,504.72 - Step 4: Simplify right side
1,796,320.72x = 2,457,865,679,385.24 - Step 5: Solve for x
x = 2,457,865,679,385.24/1,796,320.72 - Step 6: Final answer
x = 1,368,277.75
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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.