Finding the Fourth Proportional to 1,743,882.17, 2,406,782.85 and 979,935.80
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Solution
The fourth proportional to 1,743,882.17, 2,406,782.85 and 979,935.80 is: 1,352,438.09
Step by Step Solution
- Step 1: Write the proportion equation
1,743,882.17 : 2,406,782.85 = 979,935.80 : x - Step 2: Convert to fraction form
1,743,882.17/2,406,782.85 = 979,935.80/x - Step 3: Cross multiply
1,743,882.17x = 2,406,782.85 × 979,935.80 - Step 4: Simplify right side
1,743,882.17x = 2,358,492,677,541.03 - Step 5: Solve for x
x = 2,358,492,677,541.03/1,743,882.17 - Step 6: Final answer
x = 1,352,438.09
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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.