Finding the Fourth Proportional to 1,795,709.62, 2,478,131.95 and 979,965.98
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Solution
The fourth proportional to 1,795,709.62, 2,478,131.95 and 979,965.98 is: 1,352,381.80
Step by Step Solution
- Step 1: Write the proportion equation
1,795,709.62 : 2,478,131.95 = 979,965.98 : x - Step 2: Convert to fraction form
1,795,709.62/2,478,131.95 = 979,965.98/x - Step 3: Cross multiply
1,795,709.62x = 2,478,131.95 × 979,965.98 - Step 4: Simplify right side
1,795,709.62x = 2,428,485,004,951.06 - Step 5: Solve for x
x = 2,428,485,004,951.06/1,795,709.62 - Step 6: Final answer
x = 1,352,381.80
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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.