Finding the Fourth Proportional to 1,795,711.76, 2,478,134.88 and 979,968.12
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Solution
The fourth proportional to 1,795,711.76, 2,478,134.88 and 979,968.12 is: 1,352,384.74
Step by Step Solution
- Step 1: Write the proportion equation
1,795,711.76 : 2,478,134.88 = 979,968.12 : x - Step 2: Convert to fraction form
1,795,711.76/2,478,134.88 = 979,968.12/x - Step 3: Cross multiply
1,795,711.76x = 2,478,134.88 × 979,968.12 - Step 4: Simplify right side
1,795,711.76x = 2,428,493,179,460.03 - Step 5: Solve for x
x = 2,428,493,179,460.03/1,795,711.76 - Step 6: Final answer
x = 1,352,384.74
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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.